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/*
* 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.
*/
#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 /* __NVVGA_H__ */
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