95 lines
3.5 KiB
C
95 lines
3.5 KiB
C
/* $NetBSD: cg4reg.h,v 1.3 1996/10/29 19:54:21 gwr Exp $ */
|
|
|
|
/*
|
|
* Copyright (c) 1992, 1993
|
|
* The Regents of the University of California. All rights reserved.
|
|
*
|
|
* This software was developed by the Computer Systems Engineering group
|
|
* at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
|
|
* contributed to Berkeley.
|
|
*
|
|
* All advertising materials mentioning features or use of this software
|
|
* must display the following acknowledgement:
|
|
* This product includes software developed by the University of
|
|
* California, Lawrence Berkeley Laboratory.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. All advertising materials mentioning features or use of this software
|
|
* must display the following acknowledgement:
|
|
* This product includes software developed by the University of
|
|
* California, Berkeley and its contributors.
|
|
* 4. Neither the name of the University nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*
|
|
* @(#)cgthreereg.h 8.2 (Berkeley) 10/30/93
|
|
*/
|
|
|
|
/*
|
|
* Size that can be mapped (user-level mmap).
|
|
*/
|
|
#define CG4_OVERLAY_SIZE 0x20000 /* size of overlay plane */
|
|
#define CG4_ENABLE_SIZE 0x20000 /* size of enable plane */
|
|
#define CG4_PIXMAP_SIZE 0x100000 /* size of frame buffer */
|
|
|
|
/* number of colormap entries */
|
|
#define CG4_CMAP_ENTRIES 256
|
|
|
|
/*
|
|
* There are two kinds of cg4 hardware:
|
|
* "Type A" has a AMD DACs (Digital-to-Analog Converters)
|
|
* "Type B" has a Brooktree DACs. H/W addresses differ too.
|
|
*/
|
|
#define CG4_TYPE_A 0
|
|
#define CG4_TYPE_B 1
|
|
|
|
/*
|
|
* Memory layout of the Type A hardware (OBMEM)
|
|
*/
|
|
#define CG4A_DEF_BASE 0xFE400000 /* Sun3/110 */
|
|
#define CG4A_OFF_ENABLE 0
|
|
#define CG4A_OFF_PIXMAP 0x400000
|
|
#define CG4A_OFF_OVERLAY 0xC00000
|
|
#define CG4A_OBIO_CMAP 0x0E0000 /* OBIO space! */
|
|
|
|
/* colormap/status register structure */
|
|
struct amd_regs {
|
|
u_char r[CG4_CMAP_ENTRIES];
|
|
u_char g[CG4_CMAP_ENTRIES];
|
|
u_char b[CG4_CMAP_ENTRIES];
|
|
u_char status;
|
|
#define CG4A_STATUS_FIRSTHALF 0x80
|
|
#define CG4A_STATUS_TOOLATE 0x40
|
|
};
|
|
|
|
|
|
/*
|
|
* Memory layout of the Type B hardware (OBMEM)
|
|
* Appears on the Sun3/60 at base 0xFF200000
|
|
*/
|
|
#define CG4B_DEF_BASE 0xFF200000 /* Sun3/60 */
|
|
#define CG4B_OFF_CMAP 0
|
|
#define CG4B_OFF_OVERLAY 0x200000
|
|
#define CG4B_OFF_ENABLE 0x400000
|
|
#define CG4B_OFF_PIXMAP 0x600000
|
|
|