diff options
Diffstat (limited to 'QemuVGADriver/src/QemuVga.h')
| -rw-r--r-- | QemuVGADriver/src/QemuVga.h | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/QemuVGADriver/src/QemuVga.h b/QemuVGADriver/src/QemuVga.h new file mode 100644 index 0000000..e401ef3 --- /dev/null +++ b/QemuVGADriver/src/QemuVga.h @@ -0,0 +1,54 @@ +#ifndef __QEMU_VGA_H__ +#define __QEMU_VGA_H__ + +/* --- Qemu/Bochs special registers --- */ + +#define VBE_DISPI_IOPORT_INDEX 0x01CE +#define VBE_DISPI_IOPORT_DATA 0x01CF + +#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_VIDEO_MEMORY_64K 0xa + +#define VBE_DISPI_ID0 0xB0C0 +#define VBE_DISPI_ID1 0xB0C1 +#define VBE_DISPI_ID2 0xB0C2 +#define VBE_DISPI_ID3 0xB0C3 +#define VBE_DISPI_ID4 0xB0C4 +#define VBE_DISPI_ID5 0xB0C5 + +#define VBE_DISPI_DISABLED 0x00 +#define VBE_DISPI_ENABLED 0x01 +#define VBE_DISPI_GETCAPS 0x02 +#define VBE_DISPI_8BIT_DAC 0x20 +#define VBE_DISPI_LFB_ENABLED 0x40 +#define VBE_DISPI_NOCLEARMEM 0x80 + +/* --- Internal APIs */ + +extern OSStatus QemuVga_Init(); +extern OSStatus QemuVga_Exit(); + +extern OSStatus QemuVga_Open(); +extern OSStatus QemuVga_Close(); + +extern void QemuVga_EnableInterrupts(void); +extern void QemuVga_DisableInterrupts(void); + +extern OSStatus QemuVga_SetDepth(UInt32 bpp); + +extern OSStatus QemuVga_SetColorEntry(UInt32 index, RGBColor *color); +extern OSStatus QemuVga_GetColorEntry(UInt32 index, RGBColor *color); + +extern OSStatus QemuVga_GetModeInfo(UInt32 index, UInt32 *width, UInt32 *height); +extern OSStatus QemuVga_SetMode(UInt32 modeIndex, UInt32 depth); + +#endif |