| // Standard VGA mode information. |
| // |
| // Copyright (C) 2009 Kevin O'Connor <kevin@koconnor.net> |
| // Copyright (C) 2001-2008 the LGPL VGABios developers Team |
| // |
| // This file may be distributed under the terms of the GNU LGPLv3 license. |
| |
| #include "biosvar.h" // GET_GLOBAL |
| #include "output.h" // warn_internalerror |
| #include "std/vga.h" // struct video_param_s |
| #include "stdvga.h" // stdvga_find_mode |
| #include "string.h" // memcpy_far |
| #include "vgabios.h" // SET_VGA |
| #include "vgautil.h" // vgafont16 |
| |
| |
| /**************************************************************** |
| * Video mode register definitions |
| ****************************************************************/ |
| |
| /* Mono */ |
| static u8 palette0[] VAR16 = { |
| 0x00,0x00,0x00, 0x00,0x00,0x00, 0x00,0x00,0x00, 0x00,0x00,0x00, |
| 0x00,0x00,0x00, 0x00,0x00,0x00, 0x00,0x00,0x00, 0x00,0x00,0x00, |
| 0x2a,0x2a,0x2a, 0x2a,0x2a,0x2a, 0x2a,0x2a,0x2a, 0x2a,0x2a,0x2a, |
| 0x2a,0x2a,0x2a, 0x2a,0x2a,0x2a, 0x2a,0x2a,0x2a, 0x2a,0x2a,0x2a, |
| 0x2a,0x2a,0x2a, 0x2a,0x2a,0x2a, 0x2a,0x2a,0x2a, 0x2a,0x2a,0x2a, |
| 0x2a,0x2a,0x2a, 0x2a,0x2a,0x2a, 0x2a,0x2a,0x2a, 0x2a,0x2a,0x2a, |
| 0x3f,0x3f,0x3f, 0x3f,0x3f,0x3f, 0x3f,0x3f,0x3f, 0x3f,0x3f,0x3f, |
| 0x3f,0x3f,0x3f, 0x3f,0x3f,0x3f, 0x3f,0x3f,0x3f, 0x3f,0x3f,0x3f, |
| 0x00,0x00,0x00, 0x00,0x00,0x00, 0x00,0x00,0x00, 0x00,0x00,0x00, |
| 0x00,0x00,0x00, 0x00,0x00,0x00, 0x00,0x00,0x00, 0x00,0x00,0x00, |
| 0x2a,0x2a,0x2a, 0x2a,0x2a,0x2a, 0x2a,0x2a,0x2a, 0x2a,0x2a,0x2a, |
| 0x2a,0x2a,0x2a, 0x2a,0x2a,0x2a, 0x2a,0x2a,0x2a, 0x2a,0x2a,0x2a, |
| 0x2a,0x2a,0x2a, 0x2a,0x2a,0x2a, 0x2a,0x2a,0x2a, 0x2a,0x2a,0x2a, |
| 0x2a,0x2a,0x2a, 0x2a,0x2a,0x2a, 0x2a,0x2a,0x2a, 0x2a,0x2a,0x2a, |
| 0x3f,0x3f,0x3f, 0x3f,0x3f,0x3f, 0x3f,0x3f,0x3f, 0x3f,0x3f,0x3f, |
| 0x3f,0x3f,0x3f, 0x3f,0x3f,0x3f, 0x3f,0x3f,0x3f, 0x3f,0x3f,0x3f |
| }; |
| |
| static u8 palette1[] VAR16 = { |
| 0x00,0x00,0x00, 0x00,0x00,0x2a, 0x00,0x2a,0x00, 0x00,0x2a,0x2a, |
| 0x2a,0x00,0x00, 0x2a,0x00,0x2a, 0x2a,0x15,0x00, 0x2a,0x2a,0x2a, |
| 0x00,0x00,0x00, 0x00,0x00,0x2a, 0x00,0x2a,0x00, 0x00,0x2a,0x2a, |
| 0x2a,0x00,0x00, 0x2a,0x00,0x2a, 0x2a,0x15,0x00, 0x2a,0x2a,0x2a, |
| 0x15,0x15,0x15, 0x15,0x15,0x3f, 0x15,0x3f,0x15, 0x15,0x3f,0x3f, |
| 0x3f,0x15,0x15, 0x3f,0x15,0x3f, 0x3f,0x3f,0x15, 0x3f,0x3f,0x3f, |
| 0x15,0x15,0x15, 0x15,0x15,0x3f, 0x15,0x3f,0x15, 0x15,0x3f,0x3f, |
| 0x3f,0x15,0x15, 0x3f,0x15,0x3f, 0x3f,0x3f,0x15, 0x3f,0x3f,0x3f, |
| 0x00,0x00,0x00, 0x00,0x00,0x2a, 0x00,0x2a,0x00, 0x00,0x2a,0x2a, |
| 0x2a,0x00,0x00, 0x2a,0x00,0x2a, 0x2a,0x15,0x00, 0x2a,0x2a,0x2a, |
| 0x00,0x00,0x00, 0x00,0x00,0x2a, 0x00,0x2a,0x00, 0x00,0x2a,0x2a, |
| 0x2a,0x00,0x00, 0x2a,0x00,0x2a, 0x2a,0x15,0x00, 0x2a,0x2a,0x2a, |
| 0x15,0x15,0x15, 0x15,0x15,0x3f, 0x15,0x3f,0x15, 0x15,0x3f,0x3f, |
| 0x3f,0x15,0x15, 0x3f,0x15,0x3f, 0x3f,0x3f,0x15, 0x3f,0x3f,0x3f, |
| 0x15,0x15,0x15, 0x15,0x15,0x3f, 0x15,0x3f,0x15, 0x15,0x3f,0x3f, |
| 0x3f,0x15,0x15, 0x3f,0x15,0x3f, 0x3f,0x3f,0x15, 0x3f,0x3f,0x3f |
| }; |
| |
| static u8 palette2[] VAR16 = { |
| 0x00,0x00,0x00, 0x00,0x00,0x2a, 0x00,0x2a,0x00, 0x00,0x2a,0x2a, |
| 0x2a,0x00,0x00, 0x2a,0x00,0x2a, 0x2a,0x2a,0x00, 0x2a,0x2a,0x2a, |
| 0x00,0x00,0x15, 0x00,0x00,0x3f, 0x00,0x2a,0x15, 0x00,0x2a,0x3f, |
| 0x2a,0x00,0x15, 0x2a,0x00,0x3f, 0x2a,0x2a,0x15, 0x2a,0x2a,0x3f, |
| 0x00,0x15,0x00, 0x00,0x15,0x2a, 0x00,0x3f,0x00, 0x00,0x3f,0x2a, |
| 0x2a,0x15,0x00, 0x2a,0x15,0x2a, 0x2a,0x3f,0x00, 0x2a,0x3f,0x2a, |
| 0x00,0x15,0x15, 0x00,0x15,0x3f, 0x00,0x3f,0x15, 0x00,0x3f,0x3f, |
| 0x2a,0x15,0x15, 0x2a,0x15,0x3f, 0x2a,0x3f,0x15, 0x2a,0x3f,0x3f, |
| 0x15,0x00,0x00, 0x15,0x00,0x2a, 0x15,0x2a,0x00, 0x15,0x2a,0x2a, |
| 0x3f,0x00,0x00, 0x3f,0x00,0x2a, 0x3f,0x2a,0x00, 0x3f,0x2a,0x2a, |
| 0x15,0x00,0x15, 0x15,0x00,0x3f, 0x15,0x2a,0x15, 0x15,0x2a,0x3f, |
| 0x3f,0x00,0x15, 0x3f,0x00,0x3f, 0x3f,0x2a,0x15, 0x3f,0x2a,0x3f, |
| 0x15,0x15,0x00, 0x15,0x15,0x2a, 0x15,0x3f,0x00, 0x15,0x3f,0x2a, |
| 0x3f,0x15,0x00, 0x3f,0x15,0x2a, 0x3f,0x3f,0x00, 0x3f,0x3f,0x2a, |
| 0x15,0x15,0x15, 0x15,0x15,0x3f, 0x15,0x3f,0x15, 0x15,0x3f,0x3f, |
| 0x3f,0x15,0x15, 0x3f,0x15,0x3f, 0x3f,0x3f,0x15, 0x3f,0x3f,0x3f |
| }; |
| |
| static u8 palette3[] VAR16 = { |
| 0x00,0x00,0x00, 0x00,0x00,0x2a, 0x00,0x2a,0x00, 0x00,0x2a,0x2a, |
| 0x2a,0x00,0x00, 0x2a,0x00,0x2a, 0x2a,0x15,0x00, 0x2a,0x2a,0x2a, |
| 0x15,0x15,0x15, 0x15,0x15,0x3f, 0x15,0x3f,0x15, 0x15,0x3f,0x3f, |
| 0x3f,0x15,0x15, 0x3f,0x15,0x3f, 0x3f,0x3f,0x15, 0x3f,0x3f,0x3f, |
| 0x00,0x00,0x00, 0x05,0x05,0x05, 0x08,0x08,0x08, 0x0b,0x0b,0x0b, |
| 0x0e,0x0e,0x0e, 0x11,0x11,0x11, 0x14,0x14,0x14, 0x18,0x18,0x18, |
| 0x1c,0x1c,0x1c, 0x20,0x20,0x20, 0x24,0x24,0x24, 0x28,0x28,0x28, |
| 0x2d,0x2d,0x2d, 0x32,0x32,0x32, 0x38,0x38,0x38, 0x3f,0x3f,0x3f, |
| 0x00,0x00,0x3f, 0x10,0x00,0x3f, 0x1f,0x00,0x3f, 0x2f,0x00,0x3f, |
| 0x3f,0x00,0x3f, 0x3f,0x00,0x2f, 0x3f,0x00,0x1f, 0x3f,0x00,0x10, |
| 0x3f,0x00,0x00, 0x3f,0x10,0x00, 0x3f,0x1f,0x00, 0x3f,0x2f,0x00, |
| 0x3f,0x3f,0x00, 0x2f,0x3f,0x00, 0x1f,0x3f,0x00, 0x10,0x3f,0x00, |
| 0x00,0x3f,0x00, 0x00,0x3f,0x10, 0x00,0x3f,0x1f, 0x00,0x3f,0x2f, |
| 0x00,0x3f,0x3f, 0x00,0x2f,0x3f, 0x00,0x1f,0x3f, 0x00,0x10,0x3f, |
| 0x1f,0x1f,0x3f, 0x27,0x1f,0x3f, 0x2f,0x1f,0x3f, 0x37,0x1f,0x3f, |
| 0x3f,0x1f,0x3f, 0x3f,0x1f,0x37, 0x3f,0x1f,0x2f, 0x3f,0x1f,0x27, |
| |
| 0x3f,0x1f,0x1f, 0x3f,0x27,0x1f, 0x3f,0x2f,0x1f, 0x3f,0x37,0x1f, |
| 0x3f,0x3f,0x1f, 0x37,0x3f,0x1f, 0x2f,0x3f,0x1f, 0x27,0x3f,0x1f, |
| 0x1f,0x3f,0x1f, 0x1f,0x3f,0x27, 0x1f,0x3f,0x2f, 0x1f,0x3f,0x37, |
| 0x1f,0x3f,0x3f, 0x1f,0x37,0x3f, 0x1f,0x2f,0x3f, 0x1f,0x27,0x3f, |
| 0x2d,0x2d,0x3f, 0x31,0x2d,0x3f, 0x36,0x2d,0x3f, 0x3a,0x2d,0x3f, |
| 0x3f,0x2d,0x3f, 0x3f,0x2d,0x3a, 0x3f,0x2d,0x36, 0x3f,0x2d,0x31, |
| 0x3f,0x2d,0x2d, 0x3f,0x31,0x2d, 0x3f,0x36,0x2d, 0x3f,0x3a,0x2d, |
| 0x3f,0x3f,0x2d, 0x3a,0x3f,0x2d, 0x36,0x3f,0x2d, 0x31,0x3f,0x2d, |
| 0x2d,0x3f,0x2d, 0x2d,0x3f,0x31, 0x2d,0x3f,0x36, 0x2d,0x3f,0x3a, |
| 0x2d,0x3f,0x3f, 0x2d,0x3a,0x3f, 0x2d,0x36,0x3f, 0x2d,0x31,0x3f, |
| 0x00,0x00,0x1c, 0x07,0x00,0x1c, 0x0e,0x00,0x1c, 0x15,0x00,0x1c, |
| 0x1c,0x00,0x1c, 0x1c,0x00,0x15, 0x1c,0x00,0x0e, 0x1c,0x00,0x07, |
| 0x1c,0x00,0x00, 0x1c,0x07,0x00, 0x1c,0x0e,0x00, 0x1c,0x15,0x00, |
| 0x1c,0x1c,0x00, 0x15,0x1c,0x00, 0x0e,0x1c,0x00, 0x07,0x1c,0x00, |
| 0x00,0x1c,0x00, 0x00,0x1c,0x07, 0x00,0x1c,0x0e, 0x00,0x1c,0x15, |
| 0x00,0x1c,0x1c, 0x00,0x15,0x1c, 0x00,0x0e,0x1c, 0x00,0x07,0x1c, |
| |
| 0x0e,0x0e,0x1c, 0x11,0x0e,0x1c, 0x15,0x0e,0x1c, 0x18,0x0e,0x1c, |
| 0x1c,0x0e,0x1c, 0x1c,0x0e,0x18, 0x1c,0x0e,0x15, 0x1c,0x0e,0x11, |
| 0x1c,0x0e,0x0e, 0x1c,0x11,0x0e, 0x1c,0x15,0x0e, 0x1c,0x18,0x0e, |
| 0x1c,0x1c,0x0e, 0x18,0x1c,0x0e, 0x15,0x1c,0x0e, 0x11,0x1c,0x0e, |
| 0x0e,0x1c,0x0e, 0x0e,0x1c,0x11, 0x0e,0x1c,0x15, 0x0e,0x1c,0x18, |
| 0x0e,0x1c,0x1c, 0x0e,0x18,0x1c, 0x0e,0x15,0x1c, 0x0e,0x11,0x1c, |
| 0x14,0x14,0x1c, 0x16,0x14,0x1c, 0x18,0x14,0x1c, 0x1a,0x14,0x1c, |
| 0x1c,0x14,0x1c, 0x1c,0x14,0x1a, 0x1c,0x14,0x18, 0x1c,0x14,0x16, |
| 0x1c,0x14,0x14, 0x1c,0x16,0x14, 0x1c,0x18,0x14, 0x1c,0x1a,0x14, |
| 0x1c,0x1c,0x14, 0x1a,0x1c,0x14, 0x18,0x1c,0x14, 0x16,0x1c,0x14, |
| 0x14,0x1c,0x14, 0x14,0x1c,0x16, 0x14,0x1c,0x18, 0x14,0x1c,0x1a, |
| 0x14,0x1c,0x1c, 0x14,0x1a,0x1c, 0x14,0x18,0x1c, 0x14,0x16,0x1c, |
| 0x00,0x00,0x10, 0x04,0x00,0x10, 0x08,0x00,0x10, 0x0c,0x00,0x10, |
| 0x10,0x00,0x10, 0x10,0x00,0x0c, 0x10,0x00,0x08, 0x10,0x00,0x04, |
| 0x10,0x00,0x00, 0x10,0x04,0x00, 0x10,0x08,0x00, 0x10,0x0c,0x00, |
| 0x10,0x10,0x00, 0x0c,0x10,0x00, 0x08,0x10,0x00, 0x04,0x10,0x00, |
| |
| 0x00,0x10,0x00, 0x00,0x10,0x04, 0x00,0x10,0x08, 0x00,0x10,0x0c, |
| 0x00,0x10,0x10, 0x00,0x0c,0x10, 0x00,0x08,0x10, 0x00,0x04,0x10, |
| 0x08,0x08,0x10, 0x0a,0x08,0x10, 0x0c,0x08,0x10, 0x0e,0x08,0x10, |
| 0x10,0x08,0x10, 0x10,0x08,0x0e, 0x10,0x08,0x0c, 0x10,0x08,0x0a, |
| 0x10,0x08,0x08, 0x10,0x0a,0x08, 0x10,0x0c,0x08, 0x10,0x0e,0x08, |
| 0x10,0x10,0x08, 0x0e,0x10,0x08, 0x0c,0x10,0x08, 0x0a,0x10,0x08, |
| 0x08,0x10,0x08, 0x08,0x10,0x0a, 0x08,0x10,0x0c, 0x08,0x10,0x0e, |
| 0x08,0x10,0x10, 0x08,0x0e,0x10, 0x08,0x0c,0x10, 0x08,0x0a,0x10, |
| 0x0b,0x0b,0x10, 0x0c,0x0b,0x10, 0x0d,0x0b,0x10, 0x0f,0x0b,0x10, |
| 0x10,0x0b,0x10, 0x10,0x0b,0x0f, 0x10,0x0b,0x0d, 0x10,0x0b,0x0c, |
| 0x10,0x0b,0x0b, 0x10,0x0c,0x0b, 0x10,0x0d,0x0b, 0x10,0x0f,0x0b, |
| 0x10,0x10,0x0b, 0x0f,0x10,0x0b, 0x0d,0x10,0x0b, 0x0c,0x10,0x0b, |
| 0x0b,0x10,0x0b, 0x0b,0x10,0x0c, 0x0b,0x10,0x0d, 0x0b,0x10,0x0f, |
| 0x0b,0x10,0x10, 0x0b,0x0f,0x10, 0x0b,0x0d,0x10, 0x0b,0x0c,0x10, |
| 0x00,0x00,0x00, 0x00,0x00,0x00, 0x00,0x00,0x00, 0x00,0x00,0x00, |
| 0x00,0x00,0x00, 0x00,0x00,0x00, 0x00,0x00,0x00, 0x00,0x00,0x00 |
| }; |
| |
| static u8 sequ_01[] VAR16 = { 0x08, 0x03, 0x00, 0x02 }; |
| static u8 crtc_01[] VAR16 = { |
| 0x2d, 0x27, 0x28, 0x90, 0x2b, 0xa0, 0xbf, 0x1f, |
| 0x00, 0x4f, 0x0d, 0x0e, 0x00, 0x00, 0x00, 0x00, |
| 0x9c, 0x8e, 0x8f, 0x14, 0x1f, 0x96, 0xb9, 0xa3, |
| 0xff }; |
| static u8 actl_01[] VAR16 = { |
| 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x14, 0x07, |
| 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f, |
| 0x0c, 0x00, 0x0f, 0x08 }; |
| static u8 grdc_01[] VAR16 = { |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x0e, 0x0f, 0xff }; |
| static u8 sequ_03[] VAR16 = { 0x00, 0x03, 0x00, 0x02 }; |
| static u8 crtc_03[] VAR16 = { |
| 0x5f, 0x4f, 0x50, 0x82, 0x55, 0x81, 0xbf, 0x1f, |
| 0x00, 0x4f, 0x0d, 0x0e, 0x00, 0x00, 0x00, 0x00, |
| 0x9c, 0x8e, 0x8f, 0x28, 0x1f, 0x96, 0xb9, 0xa3, |
| 0xff }; |
| static u8 sequ_04[] VAR16 = { 0x09, 0x03, 0x00, 0x02 }; |
| static u8 crtc_04[] VAR16 = { |
| 0x2d, 0x27, 0x28, 0x90, 0x2b, 0x80, 0xbf, 0x1f, |
| 0x00, 0xc1, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x9c, 0x8e, 0x8f, 0x14, 0x00, 0x96, 0xb9, 0xa2, |
| 0xff }; |
| static u8 actl_04[] VAR16 = { |
| 0x00, 0x13, 0x15, 0x17, 0x02, 0x04, 0x06, 0x07, |
| 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, |
| 0x01, 0x00, 0x03, 0x00 }; |
| static u8 grdc_04[] VAR16 = { |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x30, 0x0f, 0x0f, 0xff }; |
| static u8 sequ_06[] VAR16 = { 0x01, 0x01, 0x00, 0x06 }; |
| static u8 crtc_06[] VAR16 = { |
| 0x5f, 0x4f, 0x50, 0x82, 0x54, 0x80, 0xbf, 0x1f, |
| 0x00, 0xc1, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x9c, 0x8e, 0x8f, 0x28, 0x00, 0x96, 0xb9, 0xc2, |
| 0xff }; |
| static u8 actl_06[] VAR16 = { |
| 0x00, 0x17, 0x17, 0x17, 0x17, 0x17, 0x17, 0x17, |
| 0x17, 0x17, 0x17, 0x17, 0x17, 0x17, 0x17, 0x17, |
| 0x01, 0x00, 0x01, 0x00 }; |
| static u8 grdc_06[] VAR16 = { |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0d, 0x0f, 0xff }; |
| static u8 crtc_07[] VAR16 = { |
| 0x5f, 0x4f, 0x50, 0x82, 0x55, 0x81, 0xbf, 0x1f, |
| 0x00, 0x4f, 0x0d, 0x0e, 0x00, 0x00, 0x00, 0x00, |
| 0x9c, 0x8e, 0x8f, 0x28, 0x0f, 0x96, 0xb9, 0xa3, |
| 0xff }; |
| static u8 actl_07[] VAR16 = { |
| 0x00, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, |
| 0x10, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, |
| 0x0e, 0x00, 0x0f, 0x08 }; |
| static u8 grdc_07[] VAR16 = { |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x0a, 0x0f, 0xff }; |
| static u8 sequ_0d[] VAR16 = { 0x09, 0x0f, 0x00, 0x06 }; |
| static u8 crtc_0d[] VAR16 = { |
| 0x2d, 0x27, 0x28, 0x90, 0x2b, 0x80, 0xbf, 0x1f, |
| 0x00, 0xc0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x9c, 0x8e, 0x8f, 0x14, 0x00, 0x96, 0xb9, 0xe3, |
| 0xff }; |
| static u8 actl_0d[] VAR16 = { |
| 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, |
| 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, |
| 0x01, 0x00, 0x0f, 0x00 }; |
| static u8 grdc_0d[] VAR16 = { |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x05, 0x0f, 0xff }; |
| static u8 sequ_0e[] VAR16 = { 0x01, 0x0f, 0x00, 0x06 }; |
| static u8 crtc_0e[] VAR16 = { |
| 0x5f, 0x4f, 0x50, 0x82, 0x54, 0x80, 0xbf, 0x1f, |
| 0x00, 0xc0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x9c, 0x8e, 0x8f, 0x28, 0x00, 0x96, 0xb9, 0xe3, |
| 0xff }; |
| static u8 crtc_0f[] VAR16 = { |
| 0x5f, 0x4f, 0x50, 0x82, 0x54, 0x80, 0xbf, 0x1f, |
| 0x00, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x83, 0x85, 0x5d, 0x28, 0x0f, 0x63, 0xba, 0xe3, |
| 0xff }; |
| static u8 actl_0f[] VAR16 = { |
| 0x00, 0x08, 0x00, 0x00, 0x18, 0x18, 0x00, 0x00, |
| 0x00, 0x08, 0x00, 0x00, 0x00, 0x18, 0x00, 0x00, |
| 0x01, 0x00, 0x01, 0x00 }; |
| static u8 actl_10[] VAR16 = { |
| 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x14, 0x07, |
| 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f, |
| 0x01, 0x00, 0x0f, 0x00 }; |
| static u8 crtc_11[] VAR16 = { |
| 0x5f, 0x4f, 0x50, 0x82, 0x54, 0x80, 0x0b, 0x3e, |
| 0x00, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0xea, 0x8c, 0xdf, 0x28, 0x00, 0xe7, 0x04, 0xe3, |
| 0xff }; |
| static u8 actl_11[] VAR16 = { |
| 0x00, 0x3f, 0x00, 0x3f, 0x00, 0x3f, 0x00, 0x3f, |
| 0x00, 0x3f, 0x00, 0x3f, 0x00, 0x3f, 0x00, 0x3f, |
| 0x01, 0x00, 0x0f, 0x00 }; |
| static u8 sequ_13[] VAR16 = { 0x01, 0x0f, 0x00, 0x0e }; |
| static u8 crtc_13[] VAR16 = { |
| 0x5f, 0x4f, 0x50, 0x82, 0x54, 0x80, 0xbf, 0x1f, |
| 0x00, 0x41, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x9c, 0x8e, 0x8f, 0x28, 0x40, 0x96, 0xb9, 0xa3, |
| 0xff }; |
| static u8 actl_13[] VAR16 = { |
| 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, |
| 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, |
| 0x41, 0x00, 0x0f, 0x00 }; |
| static u8 grdc_13[] VAR16 = { |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x05, 0x0f, 0xff }; |
| static u8 crtc_6A[] VAR16 = { |
| 0x7f, 0x63, 0x63, 0x83, 0x6b, 0x1b, 0x72, 0xf0, |
| 0x00, 0x60, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x59, 0x8d, 0x57, 0x32, 0x00, 0x57, 0x73, 0xe3, |
| 0xff }; |
| |
| #define PAL(x) x, sizeof(x) |
| |
| struct stdvga_mode_s { |
| u16 mode; |
| struct vgamode_s info; |
| |
| u8 pelmask; |
| u8 *dac; |
| u16 dacsize; |
| u8 *sequ_regs; |
| u8 miscreg; |
| u8 *crtc_regs; |
| u8 *actl_regs; |
| u8 *grdc_regs; |
| }; |
| |
| static struct stdvga_mode_s vga_modes[] VAR16 = { |
| //mode { model tx ty bpp cw ch sstart } |
| // pelm dac sequ misc crtc actl grdc |
| {0x00, { MM_TEXT, 40, 25, 4, 9, 16, SEG_CTEXT } |
| , 0xFF, PAL(palette2), sequ_01, 0x67, crtc_01, actl_01, grdc_01}, |
| {0x01, { MM_TEXT, 40, 25, 4, 9, 16, SEG_CTEXT } |
| , 0xFF, PAL(palette2), sequ_01, 0x67, crtc_01, actl_01, grdc_01}, |
| {0x02, { MM_TEXT, 80, 25, 4, 9, 16, SEG_CTEXT } |
| , 0xFF, PAL(palette2), sequ_03, 0x67, crtc_03, actl_01, grdc_01}, |
| {0x03, { MM_TEXT, 80, 25, 4, 9, 16, SEG_CTEXT } |
| , 0xFF, PAL(palette2), sequ_03, 0x67, crtc_03, actl_01, grdc_01}, |
| {0x04, { MM_CGA, 320, 200, 2, 8, 8, SEG_CTEXT } |
| , 0xFF, PAL(palette1), sequ_04, 0x63, crtc_04, actl_04, grdc_04}, |
| {0x05, { MM_CGA, 320, 200, 2, 8, 8, SEG_CTEXT } |
| , 0xFF, PAL(palette1), sequ_04, 0x63, crtc_04, actl_04, grdc_04}, |
| {0x06, { MM_CGA, 640, 200, 1, 8, 8, SEG_CTEXT } |
| , 0xFF, PAL(palette1), sequ_06, 0x63, crtc_06, actl_06, grdc_06}, |
| {0x07, { MM_TEXT, 80, 25, 4, 9, 16, SEG_MTEXT } |
| , 0xFF, PAL(palette0), sequ_03, 0x66, crtc_07, actl_07, grdc_07}, |
| {0x0D, { MM_PLANAR, 320, 200, 4, 8, 8, SEG_GRAPH } |
| , 0xFF, PAL(palette1), sequ_0d, 0x63, crtc_0d, actl_0d, grdc_0d}, |
| {0x0E, { MM_PLANAR, 640, 200, 4, 8, 8, SEG_GRAPH } |
| , 0xFF, PAL(palette1), sequ_0e, 0x63, crtc_0e, actl_0d, grdc_0d}, |
| {0x0F, { MM_PLANAR, 640, 350, 1, 8, 14, SEG_GRAPH } |
| , 0xFF, PAL(palette0), sequ_0e, 0xa3, crtc_0f, actl_0f, grdc_0d}, |
| {0x10, { MM_PLANAR, 640, 350, 4, 8, 14, SEG_GRAPH } |
| , 0xFF, PAL(palette2), sequ_0e, 0xa3, crtc_0f, actl_10, grdc_0d}, |
| {0x11, { MM_PLANAR, 640, 480, 1, 8, 16, SEG_GRAPH } |
| , 0xFF, PAL(palette2), sequ_0e, 0xe3, crtc_11, actl_11, grdc_0d}, |
| {0x12, { MM_PLANAR, 640, 480, 4, 8, 16, SEG_GRAPH } |
| , 0xFF, PAL(palette2), sequ_0e, 0xe3, crtc_11, actl_10, grdc_0d}, |
| {0x13, { MM_PACKED, 320, 200, 8, 8, 8, SEG_GRAPH } |
| , 0xFF, PAL(palette3), sequ_13, 0x63, crtc_13, actl_13, grdc_13}, |
| {0x6A, { MM_PLANAR, 800, 600, 4, 8, 16, SEG_GRAPH } |
| , 0xFF, PAL(palette2), sequ_0e, 0xe3, crtc_6A, actl_10, grdc_0d}, |
| }; |
| |
| |
| /**************************************************************** |
| * Mode functions |
| ****************************************************************/ |
| |
| static int |
| is_stdvga_mode(struct vgamode_s *vmode_g) |
| { |
| return (vmode_g >= &vga_modes[0].info |
| && vmode_g <= &vga_modes[ARRAY_SIZE(vga_modes)-1].info); |
| } |
| |
| struct vgamode_s * |
| stdvga_find_mode(int mode) |
| { |
| int i; |
| for (i = 0; i < ARRAY_SIZE(vga_modes); i++) { |
| struct stdvga_mode_s *stdmode_g = &vga_modes[i]; |
| if (GET_GLOBAL(stdmode_g->mode) == mode) |
| return &stdmode_g->info; |
| } |
| return NULL; |
| } |
| |
| void |
| stdvga_list_modes(u16 seg, u16 *dest, u16 *last) |
| { |
| int i; |
| for (i = 0; i < ARRAY_SIZE(vga_modes) && dest < last; i++) { |
| struct stdvga_mode_s *stdmode_g = &vga_modes[i]; |
| u16 mode = GET_GLOBAL(stdmode_g->mode); |
| if (mode == 0xffff) |
| continue; |
| SET_FARVAR(seg, *dest, mode); |
| dest++; |
| } |
| |
| SET_FARVAR(seg, *dest, 0xffff); |
| } |
| |
| static struct video_save_pointer_s video_save_pointer_table VAR16; |
| |
| static struct video_param_s video_param_table[29] VAR16; |
| |
| void |
| stdvga_build_video_param(void) |
| { |
| SET_BDA(video_savetable |
| , SEGOFF(get_global_seg(), (u32)&video_save_pointer_table)); |
| SET_VGA(video_save_pointer_table.videoparam |
| , SEGOFF(get_global_seg(), (u32)video_param_table)); |
| |
| static u8 parammodes[] VAR16 = { |
| 0, 0, 0, 0, 0x04, 0x05, 0x06, 0x07, |
| 0, 0, 0, 0, 0, 0x0d, 0x0e, 0, |
| 0, 0x0f, 0x10, 0, 0, 0, 0, 0x01, |
| 0x03, 0x07, 0x11, 0x12, 0x13 |
| }; |
| |
| int i; |
| for (i=0; i<ARRAY_SIZE(parammodes); i++) { |
| int mode = GET_GLOBAL(parammodes[i]); |
| if (! mode) |
| continue; |
| struct video_param_s *vparam_g = &video_param_table[i]; |
| struct vgamode_s *vmode_g = stdvga_find_mode(mode); |
| if (!vmode_g) |
| continue; |
| int width = GET_GLOBAL(vmode_g->width); |
| int height = GET_GLOBAL(vmode_g->height); |
| u8 memmodel = GET_GLOBAL(vmode_g->memmodel); |
| int cheight = GET_GLOBAL(vmode_g->cheight); |
| if (memmodel == MM_TEXT) { |
| SET_VGA(vparam_g->twidth, width); |
| SET_VGA(vparam_g->theightm1, height-1); |
| } else { |
| int cwidth = GET_GLOBAL(vmode_g->cwidth); |
| SET_VGA(vparam_g->twidth, width / cwidth); |
| SET_VGA(vparam_g->theightm1, (height / cheight) - 1); |
| } |
| SET_VGA(vparam_g->cheight, cheight); |
| SET_VGA(vparam_g->slength, calc_page_size(memmodel, width, height)); |
| struct stdvga_mode_s *stdmode_g = container_of( |
| vmode_g, struct stdvga_mode_s, info); |
| memcpy_far(get_global_seg(), vparam_g->sequ_regs |
| , get_global_seg(), GET_GLOBAL(stdmode_g->sequ_regs) |
| , ARRAY_SIZE(vparam_g->sequ_regs)); |
| SET_VGA(vparam_g->miscreg, GET_GLOBAL(stdmode_g->miscreg)); |
| memcpy_far(get_global_seg(), vparam_g->crtc_regs |
| , get_global_seg(), GET_GLOBAL(stdmode_g->crtc_regs) |
| , ARRAY_SIZE(vparam_g->crtc_regs)); |
| memcpy_far(get_global_seg(), vparam_g->actl_regs |
| , get_global_seg(), GET_GLOBAL(stdmode_g->actl_regs) |
| , ARRAY_SIZE(vparam_g->actl_regs)); |
| memcpy_far(get_global_seg(), vparam_g->grdc_regs |
| , get_global_seg(), GET_GLOBAL(stdmode_g->grdc_regs) |
| , ARRAY_SIZE(vparam_g->grdc_regs)); |
| } |
| |
| // Fill available legacy modes in video_func_static table |
| u32 modes = 0; |
| for (i = 0; i < ARRAY_SIZE(vga_modes); i++) { |
| u16 mode = vga_modes[i].mode; |
| if (mode <= 0x13) |
| modes |= 1<<i; |
| } |
| SET_VGA(static_functionality.modes, modes); |
| } |
| |
| void |
| stdvga_override_crtc(int mode, u8 *crtc) |
| { |
| struct vgamode_s *vmode_g = stdvga_find_mode(mode); |
| if (!vmode_g) |
| return; |
| struct stdvga_mode_s *stdmode_g = container_of( |
| vmode_g, struct stdvga_mode_s, info); |
| SET_VGA(stdmode_g->crtc_regs, crtc); |
| } |
| |
| static void |
| clear_screen(struct vgamode_s *vmode_g) |
| { |
| switch (GET_GLOBAL(vmode_g->memmodel)) { |
| case MM_TEXT: |
| memset16_far(GET_GLOBAL(vmode_g->sstart), 0, 0x0720, 32*1024); |
| break; |
| case MM_CGA: |
| memset16_far(GET_GLOBAL(vmode_g->sstart), 0, 0x0000, 32*1024); |
| break; |
| default: |
| // XXX - old code gets/sets/restores sequ register 2 to 0xf - |
| // but it should always be 0xf anyway. |
| memset16_far(GET_GLOBAL(vmode_g->sstart), 0, 0x0000, 64*1024); |
| } |
| } |
| |
| int |
| stdvga_set_mode(struct vgamode_s *vmode_g, int flags) |
| { |
| if (! is_stdvga_mode(vmode_g)) { |
| warn_internalerror(); |
| return -1; |
| } |
| struct stdvga_mode_s *stdmode_g = container_of( |
| vmode_g, struct stdvga_mode_s, info); |
| |
| // if palette loading (bit 3 of modeset ctl = 0) |
| if (!(flags & MF_NOPALETTE)) { // Set the PEL mask |
| stdvga_pelmask_write(GET_GLOBAL(stdmode_g->pelmask)); |
| |
| // From which palette |
| u8 *palette_g = GET_GLOBAL(stdmode_g->dac); |
| u16 palsize = GET_GLOBAL(stdmode_g->dacsize) / 3; |
| |
| // Always 256*3 values |
| stdvga_dac_write(get_global_seg(), palette_g, 0, palsize); |
| int i; |
| for (i = palsize; i < 0x0100; i++) { |
| static u8 rgb[3] VAR16; |
| stdvga_dac_write(get_global_seg(), rgb, i, 1); |
| } |
| |
| if (flags & MF_GRAYSUM) |
| stdvga_perform_gray_scale_summing(0x00, 0x100); |
| } |
| |
| // Set Attribute Ctl |
| u8 *regs = GET_GLOBAL(stdmode_g->actl_regs); |
| int i; |
| for (i = 0; i <= 0x13; i++) |
| stdvga_attr_write(i, GET_GLOBAL(regs[i])); |
| stdvga_attr_write(0x14, 0x00); |
| |
| // Set Sequencer Ctl |
| stdvga_sequ_write(0x00, 0x03); |
| regs = GET_GLOBAL(stdmode_g->sequ_regs); |
| for (i = 1; i <= 4; i++) |
| stdvga_sequ_write(i, GET_GLOBAL(regs[i - 1])); |
| |
| // Set Grafx Ctl |
| regs = GET_GLOBAL(stdmode_g->grdc_regs); |
| for (i = 0; i <= 8; i++) |
| stdvga_grdc_write(i, GET_GLOBAL(regs[i])); |
| |
| // Set CRTC address VGA or MDA |
| u8 miscreg = GET_GLOBAL(stdmode_g->miscreg); |
| u16 crtc_addr = VGAREG_VGA_CRTC_ADDRESS; |
| if (!(miscreg & 1)) |
| crtc_addr = VGAREG_MDA_CRTC_ADDRESS; |
| |
| // Disable CRTC write protection |
| stdvga_crtc_write(crtc_addr, 0x11, 0x00); |
| // Set CRTC regs |
| regs = GET_GLOBAL(stdmode_g->crtc_regs); |
| for (i = 0; i <= 0x18; i++) |
| stdvga_crtc_write(crtc_addr, i, GET_GLOBAL(regs[i])); |
| |
| // Set the misc register |
| stdvga_misc_write(miscreg); |
| |
| // Enable video |
| stdvga_attrindex_write(0x20); |
| |
| // Clear screen |
| if (!(flags & MF_NOCLEARMEM)) |
| clear_screen(vmode_g); |
| |
| // Write the fonts in memory |
| u8 memmodel = GET_GLOBAL(vmode_g->memmodel); |
| if (memmodel == MM_TEXT) |
| stdvga_load_font(get_global_seg(), vgafont16, 0x100, 0, 0, 16); |
| |
| return 0; |
| } |
| |
| // Load the standard palette associated with 8bpp packed pixel vga modes. |
| void |
| stdvga_set_packed_palette(void) |
| { |
| stdvga_dac_write(get_global_seg(), palette3, 0, sizeof(palette3) / 3); |
| } |