Initial revision

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