1 /* $NetBSD: bt463reg.h,v 1.1 1998/08/18 07:43:09 thorpej Exp $ */ 2 3 /*- 4 * Copyright (c) 1998 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility, 9 * NASA Ames Research Center. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 3. All advertising materials mentioning features or use of this software 20 * must display the following acknowledgement: 21 * This product includes software developed by the NetBSD 22 * Foundation, Inc. and its contributors. 23 * 4. Neither the name of The NetBSD Foundation nor the names of its 24 * contributors may be used to endorse or promote products derived 25 * from this software without specific prior written permission. 26 * 27 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 28 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 29 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 30 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 31 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 32 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 33 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 34 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 35 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 36 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 37 * POSSIBILITY OF SUCH DAMAGE. 38 */ 39 40 /* 41 * Register definitions for the Brooktree Bt463 135MHz Monolithic 42 * CMOS TrueVu RAMDAC. 43 */ 44 45 /* 46 * Directly-accessible registers. Note the address register is 47 * auto-incrementing. 48 */ 49 #define BT463_REG_ADDR_LOW 0x00 /* C1,C0 == 0,0 */ 50 #define BT463_REG_ADDR_HIGH 0x01 /* C1,C0 == 0,1 */ 51 #define BT463_REG_IREG_DATA 0x02 /* C1,C0 == 1,0 */ 52 #define BT463_REG_CMAP_DATA 0x03 /* C1,C0 == 1,1 */ 53 54 #define BT463_REG_MAX BT463_REG_CMAP_DATA 55 56 /* 57 * All internal register access to the Bt463 is done indirectly via the 58 * Address Register (mapped into the host bus in a device-specific 59 * fashion). The following register definitions are in terms of 60 * their address register address values. 61 */ 62 63 /* C1,C0 must be 1,0 */ 64 #define BT463_IREG_CURSOR_COLOR_0 0x0100 /* 3 r/w cycles */ 65 #define BT463_IREG_CURSOR_COLOR_1 0x0101 /* 3 r/w cycles */ 66 #define BT463_IREG_ID 0x0200 67 #define BT463_IREG_COMMAND_0 0x0201 68 #define BT463_IREG_COMMAND_1 0x0202 69 #define BT463_IREG_COMMAND_2 0x0203 70 #define BT463_IREG_READ_MASK_P0_P7 0x0205 71 #define BT463_IREG_READ_MASK_P8_P15 0x0206 72 #define BT463_IREG_READ_MASK_P16_P23 0x0207 73 #define BT463_IREG_READ_MASK_P24_P27 0x0208 74 #define BT463_IREG_BLINK_MASK_P0_P7 0x0209 75 #define BT463_IREG_BLINK_MASK_P8_P15 0x020a 76 #define BT463_IREG_BLINK_MASK_P16_P23 0x020b 77 #define BT463_IREG_BLINK_MASK_P24_P27 0x020c 78 #define BT463_IREG_TEST 0x020d 79 #define BT463_IREG_INPUT_SIG 0x020e /* 2 of 3 r/w cycles */ 80 #define BT463_IREG_OUTPUT_SIG 0x020f /* 3 r/w cycles */ 81 #define BT463_IREG_REVISION 0x0220 82 #define BT463_IREG_WINDOW_TYPE_TABLE 0x0300 /* 3 r/w cycles */ 83 84 #define BT463_NWTYPE_ENTRIES 0x10 /* 16 window type entries */ 85 86 /* C1,C0 must be 1,1 */ 87 #define BT463_IREG_CPALETTE_RAM 0x0000 /* 3 r/w cycles */ 88 89 #define BT463_NCMAP_ENTRIES 0x210 /* 528 CMAP entries */ 90