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Diffstat (limited to 'src/nvvga.h')
-rw-r--r-- | src/nvvga.h | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/src/nvvga.h b/src/nvvga.h new file mode 100644 index 0000000..e194792 --- /dev/null +++ b/src/nvvga.h @@ -0,0 +1,82 @@ +/* + * Copyright 1996-1997 David J. McKay + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * DAVID J. MCKAY BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, + * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF + * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +/* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/nv/nvvga.h,v 1.2 2001/11/19 15:33:41 tsi Exp $ */ + +#ifndef __NVVGA_H__ +#define __NVVGA_H__ + +#include "riva_hw.h" + +#define PALETTE_SIZE 256 + +#define NV_PDAC_CURSOR_SIZE 32 +#define NV_PDAC_CURSOR_PLANE_SIZE (NV_PDAC_CURSOR_SIZE*4) + +/* This is the structure for the NV1. It is not a VGA based core */ + +typedef struct { + unsigned char Nparam, Mparam, Oparam, Pparam; + unsigned char NparamMPLL, MparamMPLL, OparamMPLL, PparamMPLL; + unsigned char dacConfReg0; + unsigned char dacConfReg1; + unsigned char dacRgbPalCtrl; + unsigned long confReg0; + unsigned long green0; /* DPMS and sync polarity control */ + unsigned long memoryTrace; + unsigned long startAddr; /* Where to start reading out from the buffer */ + /* All the following registers control the display */ + unsigned long prmConfig0; /* Controls if text mode on or off */ + unsigned long horFrontPorch; /* Front porch in pixels */ + unsigned long horSyncWidth; /* Sync Width in pixels */ + unsigned long horBackPorch; /* horizontal back porch in in pixels */ + unsigned long horDispWidth; /* Horizontal display width in pixels */ + unsigned long verFrontPorch; /* Vertical front porch in lines */ + unsigned long verSyncWidth; /* Vertical sync width in lines */ + unsigned long verBackPorch; /* Vertical back porch in lines */ + unsigned long verDispWidth; /* Vertical display width in lines */ + /* Hardware cursor registers */ + unsigned char cursorCtrl; + unsigned char xHi,xLo,yHi,yLo; + unsigned char colour1[3]; /* RGB values for cursor planes */ + unsigned char colour2[3]; + unsigned char colour3[3]; + unsigned char plane0[NV_PDAC_CURSOR_PLANE_SIZE]; + unsigned char plane1[NV_PDAC_CURSOR_PLANE_SIZE]; + unsigned char palette[PALETTE_SIZE][3]; +}NV1Registers; + +/* + * Driver data structures. + */ +typedef struct { +/* vgaHWRec std; good old IBM VGA */ + int vgaValid; /* is the above state valid?? */ + NVChipType type; /* What the union holds */ + + union { + NV1Registers nv1; + RIVA_HW_STATE RivaState; + }regs; +} vgaNVRec, *vgaNVPtr; + +#endif |