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 35 #define TYPE_ISA_CIRRUS_VGA "isa-cirrus-vga" 36 typedef struct ISACirrusVGAState ISACirrusVGAState; 37 DECLARE_INSTANCE_CHECKER(ISACirrusVGAState, ISA_CIRRUS_VGA, 38 TYPE_ISA_CIRRUS_VGA) 39 40 struct ISACirrusVGAState { 41 ISADevice parent_obj; 42 43 CirrusVGAState cirrus_vga; 44 }; 45 46 static void isa_cirrus_vga_realizefn(DeviceState *dev, Error **errp) 47 { 48 ISADevice *isadev = ISA_DEVICE(dev); 49 ISACirrusVGAState *d = ISA_CIRRUS_VGA(dev); 50 VGACommonState *s = &d->cirrus_vga.vga; 51 52 /* follow real hardware, cirrus card emulated has 4 MB video memory. 53 Also accept 8 MB/16 MB for backward compatibility. */ 54 if (s->vram_size_mb != 4 && s->vram_size_mb != 8 && 55 s->vram_size_mb != 16) { 56 error_setg(errp, "Invalid cirrus_vga ram size '%u'", 57 s->vram_size_mb); 58 return; 59 } 60 s->global_vmstate = true; 61 vga_common_init(s, OBJECT(dev)); 62 cirrus_init_common(&d->cirrus_vga, OBJECT(dev), CIRRUS_ID_CLGD5430, 0, 63 isa_address_space(isadev), 64 isa_address_space_io(isadev)); 65 s->con = graphic_console_init(dev, 0, s->hw_ops, s); 66 rom_add_vga(VGABIOS_CIRRUS_FILENAME); 67 /* XXX ISA-LFB support */ 68 /* FIXME not qdev yet */ 69 } 70 71 static Property isa_cirrus_vga_properties[] = { 72 DEFINE_PROP_UINT32("vgamem_mb", struct ISACirrusVGAState, 73 cirrus_vga.vga.vram_size_mb, 4), 74 DEFINE_PROP_BOOL("blitter", struct ISACirrusVGAState, 75 cirrus_vga.enable_blitter, true), 76 DEFINE_PROP_END_OF_LIST(), 77 }; 78 79 static void isa_cirrus_vga_class_init(ObjectClass *klass, void *data) 80 { 81 DeviceClass *dc = DEVICE_CLASS(klass); 82 83 dc->vmsd = &vmstate_cirrus_vga; 84 dc->realize = isa_cirrus_vga_realizefn; 85 device_class_set_props(dc, isa_cirrus_vga_properties); 86 set_bit(DEVICE_CATEGORY_DISPLAY, dc->categories); 87 } 88 89 static const TypeInfo isa_cirrus_vga_info = { 90 .name = TYPE_ISA_CIRRUS_VGA, 91 .parent = TYPE_ISA_DEVICE, 92 .instance_size = sizeof(ISACirrusVGAState), 93 .class_init = isa_cirrus_vga_class_init, 94 }; 95 96 static void cirrus_vga_isa_register_types(void) 97 { 98 type_register_static(&isa_cirrus_vga_info); 99 } 100 101 type_init(cirrus_vga_isa_register_types) 102