summitreg.h revision 1.9
1 /* $NetBSD: summitreg.h,v 1.9 2024/12/18 05:19:17 macallan Exp $ */ 2 3 /* 4 * Copyright (c) 2024 Michael Lorenz 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19 * IN NO EVENT SHALL THE AUTHOR OR HIS RELATIVES BE LIABLE FOR ANY DIRECT, 20 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 21 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 22 * SERVICES; LOSS OF MIND, USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 24 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 25 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 26 * THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 /* HP Visualize FX 4 and related hardware, aka Summit */ 30 31 /* 32 * register values, found by disassembling the ROM 33 * some found by Sven Schnelle 34 * ( see https://patchwork.kernel.org/project/linux-parisc/patch/20211031204952.25678-2-svens@stackframe.org/ ) 35 * some by me 36 */ 37 38 #ifndef SUMMITREG_H 39 #define SUMMITREG_H 40 41 #define VISFX_STATUS 0x641400 // zero when idle 42 #define VISFX_FIFO 0x641440 43 #define VISFX_VRAM_WRITE_MODE 0xa00808 44 #define VISFX_VRAM_READ_MODE 0xa0080c // this is a guess 45 #define VISFX_PIXEL_MASK 0xa0082c 46 #define VISFX_FG_COLOUR 0xa0083c 47 #define VISFX_BG_COLOUR 0xa00844 48 #define VISFX_PLANE_MASK 0xa0084c 49 /* this controls what we see in the FB aperture */ 50 #define VISFX_APERTURE_ACCESS 0xa00858 51 #define VISFX_DEPTH_8 0xb0 52 #define VISFX_DEPTH_32 0xd0 53 54 #define VISFX_VRAM_WRITE_DATA_INCRX 0xa60000 55 #define VISFX_VRAM_WRITE_DATA_INCRY 0xa68000 56 #define VISFX_VRAM_WRITE_DEST 0xac1000 57 58 #define VISFX_CLIP_TL 0xac1050 /* clipping rect, top/left */ 59 #define VISFX_CLIP_WH 0xac1054 /* clipping rect, w/h */ 60 61 #define VISFX_WRITE_MODE_PLAIN 0x02000000 62 #define VISFX_WRITE_MODE_EXPAND 0x050004c0 63 #define VISFX_WRITE_MODE_FILL 0x050008c0 64 #define VISFX_WRITE_MODE_TRANSPARENT 0x00000800 /* bg is tansparent */ 65 #define VISFX_WRITE_MODE_MASK 0x00000400 /* apply pixel mask */ 66 /* 0x00000200 - some pattern */ 67 /* looks like 0x000000c0 enables fb/bg colours to be applied */ 68 69 #define VISFX_READ_MODE_COPY 0x02000400 70 71 /* 72 * for STI colour change mode: 73 * set VISFX_FG_COLOUR, VISFX_BG_COLOUR 74 * set VISFX_VRAM_READ_MODE 0x05000400 75 * set VISFX_VRAM_WRITE_MODE 0x050000c0 76 */ 77 78 /* fill */ 79 #define VISFX_START 0xb3c000 80 #define VISFX_SIZE 0xb3c808 /* start, FX4 uses 0xb3c908 */ 81 82 /* copy */ 83 #define VISFX_COPY_SRC 0xb3c010 84 #define VISFX_COPY_WH 0xb3c008 85 #define VISFX_COPY_DST 0xb3cc00 86 /* 87 * looks like ORing 0x800 to the register address starts a command 88 * - 0x800 - fill 89 * - 0xc00 - copy 90 * 0x100 and 0x200 seem to have functions as well, not sure what though 91 * for example, the FX4 ROM uses 0xb3c908 to start a rectangle fill, but 92 * it also works with 0xb3c808 and 0xb3ca08 93 * same with copy, 0xc00 seems to be what matters, setting 0x100 or 0x200 94 * doesn't seem to make a difference 95 * 0x400 or 0x100 by themselves don't start a command either 96 */ 97 98 /* 99 * Turns out 0x40xxxx and 0x80xxxx access the same registers, one difference 100 * is that through 0x80xxxx we can read back at least some values, so use 101 * that one 102 * The _POS, _INDEX and _DATA registers work exactly like on HCRX 103 */ 104 105 #define VISFX_CURSOR_POS 0x800000 106 #define VISFX_CURSOR_ENABLE 0x80000000 107 #define VISFX_CURSOR_INDEX 0x800004 108 #define VISFX_CURSOR_DATA 0x800008 109 #define VISFX_CURSOR_FG 0x80000c 110 #define VISFX_CURSOR_BG 0x800010 111 #define VISFX_COLOR_MASK 0x800018 112 #define VISFX_COLOR_INDEX 0x800020 113 #define VISFX_COLOR_VALUE 0x800024 114 115 #endif /* SUMMITREG_H */ 116
Indexes created Mon Sep 29 21:09:56 GMT 2025