NetBSD/sys/dev/ic/bt459reg.h

88 lines
3.0 KiB
C

/* $NetBSD: bt459reg.h,v 1.2 1999/12/15 15:09:36 ad Exp $ */
/*
* Mach Operating System
* Copyright (c) 1991,1990,1989 Carnegie Mellon University
* All Rights Reserved.
*
* Permission to use, copy, modify and distribute this software and its
* documentation is hereby granted, provided that both the copyright
* notice and this permission notice appear in all copies of the
* software, derivative works or modified versions, and any portions
* thereof, and that both notices appear in supporting documentation.
*
* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
* ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
*
* Carnegie Mellon requests users of this software to return to
*
* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
* School of Computer Science
* Carnegie Mellon University
* Pittsburgh PA 15213-3890
*
* any improvements or extensions that they make and grant Carnegie Mellon
* the rights to redistribute these changes.
*/
/*
* Register definitions for the Brooktree Bt459 135 MHz Monolithic
* CMOS 256x64 Color Palette RAMDAC.
*/
/*
* Directly-accessible registers. Note the address register is
* auto-incrementing.
*/
#define BT459_REG_ADDR_LOW 0x00 /* C1,C0 == 0,0 */
#define BT459_REG_ADDR_HIGH 0x01 /* C1,C0 == 0,1 */
#define BT459_REG_IREG_DATA 0x02 /* C1,C0 == 1,0 */
#define BT459_REG_CMAP_DATA 0x03 /* C1,C0 == 1,1 */
#define BT459_REG_MAX BT459_REG_CMAP_DATA
/*
* All internal register access to the Bt459 is done indirectly via the
* Address Register (mapped into the host bus in a device-specific
* fashion). The following register definitions are in terms of
* their address register address values.
*/
/* 0000-00ff colormap entries */
#define BT459_IREG_CCOLOR_1 0x0181 /* Cursor color regs */
#define BT459_IREG_CCOLOR_2 0x0182
#define BT459_IREG_CCOLOR_3 0x0183
#define BT459_IREG_ID 0x0200 /* read-only, gives "4a" */
#define BT459_IREG_COMMAND_0 0x0201
#define BT459_IREG_COMMAND_1 0x0202
#define BT459_IREG_COMMAND_2 0x0203
#define BT459_IREG_PRM 0x0204
/* 0205 reserved */
#define BT459_IREG_PBM 0x0206
/* 0207 reserved */
#define BT459_IREG_ORM 0x0208
#define BT459_IREG_OBM 0x0209
#define BT459_IREG_ILV 0x020a
#define BT459_IREG_TEST 0x020b
#define BT459_IREG_RSIG 0x020c
#define BT459_IREG_GSIG 0x020d
#define BT459_IREG_BSIG 0x020e
/* 020f-02ff reserved */
#define BT459_IREG_CCR 0x0300
#define BT459_IREG_CURSOR_X_LOW 0x0301
#define BT459_IREG_CURSOR_X_HIGH 0x0302
#define BT459_IREG_CURSOR_Y_LOW 0x0303
#define BT459_IREG_CURSOR_Y_HIGH 0x0304
#define BT459_IREG_WXLO 0x0305
#define BT459_IREG_WXHI 0x0306
#define BT459_IREG_WYLO 0x0307
#define BT459_IREG_WYHI 0x0308
#define BT459_IREG_WWLO 0x0309
#define BT459_IREG_WWHI 0x030a
#define BT459_IREG_WHLO 0x030b
#define BT459_IREG_WHHI 0x030c
/* 030d-03ff reserved */
#define BT459_IREG_CRAM_BASE 0x0400