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/* $OpenBSD: bt463reg.h,v 1.3 2008/06/26 05:42:15 ray Exp $ */
/* $NetBSD: bt463reg.h,v 1.1 1998/08/18 07:43:09 thorpej Exp $ */
/*-
* Copyright (c) 1998 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
* NASA Ames Research Center.
*
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
*/
/*
* Register definitions for the Brooktree Bt463 135MHz Monolithic
* CMOS TrueVu RAMDAC.
*/
/*
* Directly-accessible registers. Note the address register is
* auto-incrementing.
*/
#define BT463_REG_ADDR_LOW 0x00 /* C1,C0 == 0,0 */
#define BT463_REG_ADDR_HIGH 0x01 /* C1,C0 == 0,1 */
#define BT463_REG_IREG_DATA 0x02 /* C1,C0 == 1,0 */
#define BT463_REG_CMAP_DATA 0x03 /* C1,C0 == 1,1 */
#define BT463_REG_MAX BT463_REG_CMAP_DATA
/*
* All internal register access to the Bt463 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.
*/
/* C1,C0 must be 1,0 */
#define BT463_IREG_CURSOR_COLOR_0 0x0100 /* 3 r/w cycles */
#define BT463_IREG_CURSOR_COLOR_1 0x0101 /* 3 r/w cycles */
#define BT463_IREG_ID 0x0200
#define BT463_IREG_COMMAND_0 0x0201
#define BT463_IREG_COMMAND_1 0x0202
#define BT463_IREG_COMMAND_2 0x0203
#define BT463_IREG_READ_MASK_P0_P7 0x0205
#define BT463_IREG_READ_MASK_P8_P15 0x0206
#define BT463_IREG_READ_MASK_P16_P23 0x0207
#define BT463_IREG_READ_MASK_P24_P27 0x0208
#define BT463_IREG_BLINK_MASK_P0_P7 0x0209
#define BT463_IREG_BLINK_MASK_P8_P15 0x020a
#define BT463_IREG_BLINK_MASK_P16_P23 0x020b
#define BT463_IREG_BLINK_MASK_P24_P27 0x020c
#define BT463_IREG_TEST 0x020d
#define BT463_IREG_INPUT_SIG 0x020e /* 2 of 3 r/w cycles */
#define BT463_IREG_OUTPUT_SIG 0x020f /* 3 r/w cycles */
#define BT463_IREG_REVISION 0x0220
#define BT463_IREG_WINDOW_TYPE_TABLE 0x0300 /* 3 r/w cycles */
#define BT463_NWTYPE_ENTRIES 0x10 /* 16 window type entries */
/* C1,C0 must be 1,1 */
#define BT463_IREG_CPALETTE_RAM 0x0000 /* 3 r/w cycles */
#define BT463_NCMAP_ENTRIES 0x210 /* 528 CMAP entries */
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