diff options
Diffstat (limited to 'apps/plugins/sdl/src/video/fbcon/matrox_mmio.h')
-rw-r--r-- | apps/plugins/sdl/src/video/fbcon/matrox_mmio.h | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/apps/plugins/sdl/src/video/fbcon/matrox_mmio.h b/apps/plugins/sdl/src/video/fbcon/matrox_mmio.h new file mode 100644 index 0000000000..a1cf203ea5 --- /dev/null +++ b/apps/plugins/sdl/src/video/fbcon/matrox_mmio.h | |||
@@ -0,0 +1,51 @@ | |||
1 | /* | ||
2 | SDL - Simple DirectMedia Layer | ||
3 | Copyright (C) 1997-2012 Sam Lantinga | ||
4 | |||
5 | This library is free software; you can redistribute it and/or | ||
6 | modify it under the terms of the GNU Lesser General Public | ||
7 | License as published by the Free Software Foundation; either | ||
8 | version 2.1 of the License, or (at your option) any later version. | ||
9 | |||
10 | This library is distributed in the hope that it will be useful, | ||
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
13 | Lesser General Public License for more details. | ||
14 | |||
15 | You should have received a copy of the GNU Lesser General Public | ||
16 | License along with this library; if not, write to the Free Software | ||
17 | Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | ||
18 | |||
19 | Sam Lantinga | ||
20 | slouken@libsdl.org | ||
21 | */ | ||
22 | #include "SDL_config.h" | ||
23 | |||
24 | /* MGA register definitions */ | ||
25 | |||
26 | #include "matrox_regs.h" | ||
27 | |||
28 | /* MGA control macros */ | ||
29 | |||
30 | #define mga_in8(reg) *(volatile Uint8 *)(mapped_io + (reg)) | ||
31 | #define mga_in32(reg) *(volatile Uint32 *)(mapped_io + (reg)) | ||
32 | |||
33 | #define mga_out8(reg,v) *(volatile Uint8 *)(mapped_io + (reg)) = v; | ||
34 | #define mga_out32(reg,v) *(volatile Uint32 *)(mapped_io + (reg)) = v; | ||
35 | |||
36 | |||
37 | /* Wait for fifo space */ | ||
38 | #define mga_wait(space) \ | ||
39 | { \ | ||
40 | while ( mga_in8(MGAREG_FIFOSTATUS) < space ) \ | ||
41 | ; \ | ||
42 | } | ||
43 | |||
44 | |||
45 | /* Wait for idle accelerator */ | ||
46 | #define mga_waitidle() \ | ||
47 | { \ | ||
48 | while ( mga_in32(MGAREG_STATUS) & 0x10000 ) \ | ||
49 | ; \ | ||
50 | } | ||
51 | |||