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#include <delay.h>
#include <stdlib.h>
#include <string.h>
#include <arch/io.h>
#include <console/console.h>
#include <device/device.h>
#include <device/pci.h>
#include <device/pci_ids.h>
#include <device/pci_ops.h>
#if CONFIG_CONSOLE_BTEXT==1
#define PLL_CRTC_DECODE 0
#define SUPPORT_8_BPP_ABOVE 0
#include "fb.h"
#include "fbcon.h"
#include <console/btext.h>
#endif /*CONFIG_CONSOLE_BTEXT*/
/* VGA init. We use the Bochs VESA VBE extensions */
#define VBE_DISPI_INDEX_ID 0x0
#define VBE_DISPI_INDEX_XRES 0x1
#define VBE_DISPI_INDEX_YRES 0x2
#define VBE_DISPI_INDEX_BPP 0x3
#define VBE_DISPI_INDEX_ENABLE 0x4
#define VBE_DISPI_INDEX_BANK 0x5
#define VBE_DISPI_INDEX_VIRT_WIDTH 0x6
#define VBE_DISPI_INDEX_VIRT_HEIGHT 0x7
#define VBE_DISPI_INDEX_X_OFFSET 0x8
#define VBE_DISPI_INDEX_Y_OFFSET 0x9
#define VBE_DISPI_INDEX_NB 0xa
#define VBE_DISPI_ID0 0xB0C0
#define VBE_DISPI_ID1 0xB0C1
#define VBE_DISPI_ID2 0xB0C2
#define VBE_DISPI_DISABLED 0x00
#define VBE_DISPI_ENABLED 0x01
#define VBE_DISPI_LFB_ENABLED 0x40
#define VBE_DISPI_NOCLEARMEM 0x80
#define VBE_DISPI_LFB_PHYSICAL_ADDRESS 0xE0000000
static void vbe_outw(int index, int val)
{
outw(0x1ce, index);
outw(0x1cf, val);
}
static void qemu_init(void)
{
int width=640, height=480, depth=8;
printk(BIOS_DEBUG, "Initializing VGA!\n");
vbe_outw(VBE_DISPI_INDEX_XRES, width);
vbe_outw(VBE_DISPI_INDEX_YRES, height);
vbe_outw(VBE_DISPI_INDEX_BPP, depth);
vbe_outw(VBE_DISPI_INDEX_ENABLE, VBE_DISPI_ENABLED);
outb(0x3c0, 0x20); /* disable blanking */
/*
vga_fb_phys_addr = VBE_DISPI_LFB_PHYSICAL_ADDRESS;
vga_fb_width = width;
vga_fb_height = height;
vga_fb_depth = depth;
vga_fb_bpp = (depth + 7) >> 3;
vga_fb_linesize = width * vga_fb_bpp;
*/
}
static struct device_operations qemu_graph_ops = {
.read_resources = pci_dev_read_resources,
.set_resources = pci_dev_set_resources,
.enable_resources = pci_dev_enable_resources,
.init = qemu_init,
.scan_bus = 0,
};
static const struct pci_driver qemu_graph_driver __pci_driver = {
.ops = &qemu_graph_ops,
.vendor = 0x1234,
.device = 0x1111,
};
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