| #ifndef __QEMU_VGA_H__ |
| #define __QEMU_VGA_H__ |
| |
| /* This must be enabled for the MacOS X version of the timer otherwise |
| * we don't know if the call failed and don't back off to non-VBL ops |
| */ |
| #define USE_DSL_TIMER |
| |
| /* Pseudo VBL timer duration in ms */ |
| #define TIMER_DURATION 30 |
| |
| /* Enable use of the PCI IRQ as VBL using non-upstream QEMU VGA |
| * extensions |
| */ |
| #undef USE_PCI_IRQ |
| |
| /* --- 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_GetModePages(UInt32 index, UInt32 depth, |
| UInt32 *pageSize, UInt32 *pageCount); |
| extern OSStatus QemuVga_GetModeInfo(UInt32 index, UInt32 *width, UInt32 *height); |
| extern OSStatus QemuVga_SetMode(UInt32 modeIndex, UInt32 depth, UInt32 page); |
| |
| extern OSStatus QemuVga_Blank(Boolean blank); |
| |
| #endif |
