1 /* $NetBSD: nwb225reg.h,v 1.2 2026/09/20 11:52:56 tsutsui Exp $ */ 2 3 /*- 4 * Copyright (c) 2026 Izumi Tsutsui. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 */ 26 27 #ifndef _NEWS68K_NWB225REG_H_ 28 #define _NEWS68K_NWB225REG_H_ 29 30 /* NWB-225 MMIO addresses */ 31 #define NWB225_KROM_BASE 0xf0600000UL 32 #define NWB225_KROM_SIZE 0x00100000UL 33 #define NWB225_RCONT_BASE 0xf0700000UL 34 #define NWB225_RCONT_SIZE 0x00100000UL 35 36 /* 37 * ROP controller register/aperture offsets from NWB225_RCONT_BASE 38 */ 39 40 /* Status: ROP status register */ 41 #define NWB225_STATUS 0x00080000UL 42 #define NWB225_STATUS_REQ 0x0001 43 #define NWB225_STATUS_EXEC 0x0002 44 #define NWB225_STATUS_BUSY (NWB225_STATUS_EXEC | NWB225_STATUS_REQ) 45 #define NWB225_STATUS_DISPVER 0x00e0 46 #define NWB225_STATUS_DISPVER_SHIFT 5 47 #define NWB225_STATUS_4PLANE 0x0080 48 49 /* Command-address flags: A13 Set Shift / A14 Execute */ 50 #define NWB225_ROP_ADDR_FLAG_SET_SHIFT 0x00002000UL 51 #define NWB225_ROP_ADDR_FLAG_EXECUTE 0x00004000UL 52 53 /* Command-addresses: COPY and FILL */ 54 #define NWB225_ROP_COPY_XR_YR 0x00060300UL 55 #define NWB225_ROP_COPY_XF_YR 0x00060310UL 56 #define NWB225_ROP_COPY_XR_YF 0x00060320UL 57 #define NWB225_ROP_COPY_XF_YF 0x00060330UL 58 #define NWB225_ROP_CONST_FILL 0x000603b0UL 59 60 /* Parameter-addresses: rectangles of COPY, FILL, and HWRITE */ 61 /* y must be in the range 0..NWB225_FB_HEIGHT - 1 */ 62 #define NWB225_DST_ADDR(y) (0x00008000UL | 2UL * (y)) 63 #define NWB225_SRC_ADDR(y) (0x00020000UL | 2UL * (y)) 64 /* h must be in the range 1..NWB225_FB_HEIGHT */ 65 #define NWB225_HWRITE_LIMIT(h) (0x00040000UL | 2UL * ((h) - 1)) 66 #define NWB225_ROP_LIMIT(h) (0x00050000UL | 2UL * ((h) - 1)) 67 68 /* Parameter-addresses: ROP func of COPY, FILL, and HWRITE */ 69 /* p must be in the range 0..7 and less than dc_nplanes */ 70 #define NWB225_ROP_FUNC(p) (0x00060730UL | 2UL * (p)) 71 72 /* Parameter-addresses: for host data of HWRITE */ 73 #define NWB225_HWRITE_DATA 0x00070230UL 74 #define NWB225_HWRITE_BITS_PER_WORD 16 75 76 #define NWB225_PLANE_CTRL 0x000a0000UL 77 #define NWB225_PLANE_CTRL_SHIFT 8 78 79 #define NWB225_CTL_SELECT 0x000c0000UL 80 #define NWB225_PAL_INDEX 0x000c0000UL 81 #define NWB225_PAL_DATA 0x000c0002UL 82 #define NWB225_CTL_DATA 0x000c0004UL 83 #define NWB225_INIT_BASE 0x000e0000UL 84 85 /* Fixed hardware geometry used by the NWB-225 NEWS-OS/PROM setup */ 86 #define NWB225_FB_WIDTH 2048 87 #define NWB225_FB_HEIGHT 1024 88 #define NWB225_VIS_WIDTH 1280 89 #define NWB225_VIS_HEIGHT 1024 90 91 /* NEWS-OS KROM glyph and text-cell geometry */ 92 #define NWB225_FONT_WIDTH 12 93 #define NWB225_FONT_HEIGHT 24 94 #define NWB225_CELL_WIDTH 16 95 #define NWB225_CELL_HEIGHT 30 96 #define NWB225_GLYPH_YOFFSET 4 97 98 #define NWB225_KROM_ASCII_FIRST 0x20 99 #define NWB225_KROM_ASCII_LAST 0x7e 100 #define NWB225_KROM_ROWBYTES 4 101 #define NWB225_KROM_ASCII_MASK 0xfff0 102 #define NWB225_TEXT_COLS 80 103 #define NWB225_TEXT_ROWS 33 104 #define NWB225_TEXT_XORIGIN 0 105 #define NWB225_TEXT_YORIGIN 8 106 107 #endif /* _NEWS68K_NWB225REG_H_ */ 108
Indexes created Mon Oct 26 00:26:21 UTC 2026