diff options
Diffstat (limited to 'src/ast_vgatool.h')
| -rw-r--r-- | src/ast_vgatool.h | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/src/ast_vgatool.h b/src/ast_vgatool.h new file mode 100644 index 0000000..8a4f683 --- /dev/null +++ b/src/ast_vgatool.h @@ -0,0 +1,70 @@ +/* + * Copyright (c) 2005 ASPEED Technology Inc. + * + * Permission to use, copy, modify, distribute, and sell this software and its + * documentation for any purpose is hereby granted without fee, provided that + * the above copyright notice appear in all copies and that both that + * copyright notice and this permission notice appear in supporting + * documentation, and that the name of the authors not be used in + * advertising or publicity pertaining to distribution of the software without + * specific, written prior permission. The authors makes no representations + * about the suitability of this software for any purpose. It is provided + * "as is" without express or implied warranty. + * + * THE AUTHORS DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, + * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO + * EVENT SHALL THE AUTHORS BE LIABLE FOR ANY SPECIAL, INDIRECT OR + * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, + * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER + * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR + * PERFORMANCE OF THIS SOFTWARE. + */ + +/* VRAM Size Definition */ +#define VIDEOMEM_SIZE_08M 0x00800000 +#define VIDEOMEM_SIZE_16M 0x01000000 +#define VIDEOMEM_SIZE_32M 0x02000000 +#define VIDEOMEM_SIZE_64M 0x04000000 + +#define AR_PORT_WRITE (pAST->RelocateIO + 0x40) +#define MISC_PORT_WRITE (pAST->RelocateIO + 0x42) +#define SEQ_PORT (pAST->RelocateIO + 0x44) +#define DAC_INDEX_WRITE (pAST->RelocateIO + 0x48) +#define DAC_DATA (pAST->RelocateIO + 0x49) +#define GR_PORT (pAST->RelocateIO + 0x4E) +#define CRTC_PORT (pAST->RelocateIO + 0x54) +#define INPUT_STATUS1_READ (pAST->RelocateIO + 0x5A) + +#define GetReg(base) inb(base) +#define SetReg(base,val) outb(base,val) +#define GetIndexReg(base,index,val) do { \ + outb(base,index); \ + val = inb(base+1); \ + } while (0) +#define SetIndexReg(base,index, val) do { \ + outb(base,index); \ + outb(base+1,val); \ + } while (0) +#define GetIndexRegMask(base,index, and, val) do { \ + outb(base,index); \ + val = (inb(base+1) & and); \ + } while (0) +#define SetIndexRegMask(base,index, and, val) do { \ + UCHAR __Temp; \ + outb(base,index); \ + __Temp = (inb((base)+1)&(and))|(val); \ + SetIndexReg(base,index,__Temp); \ + } while (0) + +#define VGA_LOAD_PALETTE_INDEX(index, red, green, blue) \ +{ \ + UCHAR __junk; \ + SetReg(DAC_INDEX_WRITE,(UCHAR)(index)); \ + __junk = GetReg(SEQ_PORT); \ + SetReg(DAC_DATA,(UCHAR)(red)); \ + __junk = GetReg(SEQ_PORT); \ + SetReg(DAC_DATA,(UCHAR)(green)); \ + __junk = GetReg(SEQ_PORT); \ + SetReg(DAC_DATA,(UCHAR)(blue)); \ + __junk = GetReg(SEQ_PORT); \ +} |