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/*
* QEMU PCI VGA Emulator.
*
* Copyright (c) 2003 Fabrice Bellard
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#include "hw.h"
#include "console.h"
#include "pc.h"
#include "pci.h"
#include "vga_int.h"
#include "pixel_ops.h"
#include "qemu-timer.h"
#include "loader.h"
typedef struct PCIVGAState {
PCIDevice dev;
VGACommonState vga;
} PCIVGAState;
static const VMStateDescription vmstate_vga_pci = {
.name = "vga",
.version_id = 2,
.minimum_version_id = 2,
.minimum_version_id_old = 2,
.fields = (VMStateField []) {
VMSTATE_PCI_DEVICE(dev, PCIVGAState),
VMSTATE_STRUCT(vga, PCIVGAState, 0, vmstate_vga_common, VGACommonState),
VMSTATE_END_OF_LIST()
}
};
static int pci_vga_initfn(PCIDevice *dev)
{
PCIVGAState *d = DO_UPCAST(PCIVGAState, dev, dev);
VGACommonState *s = &d->vga;
// vga + console init
vga_common_init(s, VGA_RAM_SIZE);
vga_init(s, pci_address_space(dev), pci_address_space_io(dev), true);
s->ds = graphic_console_init(s->update, s->invalidate,
s->screen_dump, s->text_update, s);
/* XXX: VGA_RAM_SIZE must be a power of two */
pci_register_bar(&d->dev, 0, PCI_BASE_ADDRESS_MEM_PREFETCH, &s->vram);
if (!dev->rom_bar) {
/* compatibility with pc-0.13 and older */
vga_init_vbe(s, pci_address_space(dev));
}
return 0;
}
DeviceState *pci_vga_init(PCIBus *bus)
{
return &pci_create_simple(bus, -1, "VGA")->qdev;
}
static PCIDeviceInfo vga_info = {
.qdev.name = "VGA",
.qdev.size = sizeof(PCIVGAState),
.qdev.vmsd = &vmstate_vga_pci,
.no_hotplug = 1,
.init = pci_vga_initfn,
.romfile = "vgabios-stdvga.bin",
/* dummy VGA (same as Bochs ID) */
.vendor_id = PCI_VENDOR_ID_QEMU,
.device_id = PCI_DEVICE_ID_QEMU_VGA,
.class_id = PCI_CLASS_DISPLAY_VGA,
};
static void vga_register(void)
{
pci_qdev_register(&vga_info);
}
device_init(vga_register);
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