- Add a structure needed for access to CRTC registers.

- Add definitions for misc output register.
- Add defintions for the number of registers.

sys/dev/ic/vgareg.h

@@ -1,4 +1,4 @@
-/* $NetBSD: vgareg.h,v 1.2 1998/05/28 16:48:41 drochner Exp $ */
+/* $NetBSD: vgareg.h,v 1.3 2001/12/29 17:44:35 junyoung Exp $ */
 
 /*
  * Copyright (c) 1998
@@ -37,6 +37,7 @@ struct reg_vgaattr { /* indexed via port 0x3c0 */
 	char mode, overscan, colplen, horpixpan;
 	char colreset, misc;
 };
+#define VGA_ATC_NREGS	21
 #define VGA_ATC_INDEX	0
 #define VGA_ATC_DATAW	0
 #define VGA_ATC_DATAR	1
@@ -44,6 +45,7 @@ struct reg_vgaattr { /* indexed via port 0x3c0 */
 struct reg_vgats { /* indexed via port 0x3c4 */
 	char syncreset, mode, wrplmask, fontsel, memmode;
 };
+#define VGA_TS_NREGS	5 
 #define VGA_TS_INDEX 	4
 #define VGA_TS_DATA	5
 
@@ -52,5 +54,18 @@ struct reg_vgagdc { /* indexed via port 0x3ce */
 	char rdplanesel, mode, misc, colorcare;
 	char bitmask;
 };
+#define VGA_GDC_NREGS	9
 #define VGA_GDC_INDEX	0xe
 #define VGA_GDC_DATA	0xf
+
+struct reg_vgacrtc { /* indexed via port 0x3d4 */
+	char index[25];
+};
+#define VGA_CRTC_NREGS	25
+#define VGA_CRTC_INDEX	0x14
+#define VGA_CRTC_DATA	0x15
+
+/* misc output register */
+#define VGA_MISC_INDEX	2
+#define VGA_MISC_DATAR	0xc
+#define VGA_MISC_DATAW	2