| #ifndef __BOCHSVGA_H |
| #define __BOCHSVGA_H |
| |
| #include "types.h" // u8 |
| #include "ioport.h" // outw |
| |
| #define VBE_DISPI_BANK_ADDRESS 0xA0000 |
| #define VBE_DISPI_BANK_SIZE_KB 64 |
| |
| #define VBE_DISPI_MAX_XRES 2560 |
| #define VBE_DISPI_MAX_YRES 1600 |
| |
| #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 |
| |
| #define VBE_DISPI_LFB_PHYSICAL_ADDRESS 0xE0000000 |
| |
| static inline u16 dispi_read(u16 reg) |
| { |
| outw(reg, VBE_DISPI_IOPORT_INDEX); |
| return inw(VBE_DISPI_IOPORT_DATA); |
| } |
| static inline void dispi_write(u16 reg, u16 val) |
| { |
| outw(reg, VBE_DISPI_IOPORT_INDEX); |
| outw(val, VBE_DISPI_IOPORT_DATA); |
| } |
| |
| struct vgamode_s *bochsvga_find_mode(int mode); |
| void bochsvga_list_modes(u16 seg, u16 *dest, u16 *last); |
| int bochsvga_get_window(struct vgamode_s *vmode_g, int window); |
| int bochsvga_set_window(struct vgamode_s *vmode_g, int window, int val); |
| int bochsvga_get_linelength(struct vgamode_s *vmode_g); |
| int bochsvga_set_linelength(struct vgamode_s *vmode_g, int val); |
| int bochsvga_get_displaystart(struct vgamode_s *vmode_g); |
| int bochsvga_set_displaystart(struct vgamode_s *vmode_g, int val); |
| int bochsvga_get_dacformat(struct vgamode_s *vmode_g); |
| int bochsvga_set_dacformat(struct vgamode_s *vmode_g, int val); |
| int bochsvga_size_state(int states); |
| int bochsvga_save_state(u16 seg, void *data, int states); |
| int bochsvga_restore_state(u16 seg, void *data, int states); |
| int bochsvga_set_mode(struct vgamode_s *vmode_g, int flags); |
| int bochsvga_init(void); |
| |
| #endif // bochsvga.h |