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 "hw/hw.h" 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) 99