1/* $OpenBSD: atxxreg.h,v 1.1 2008/04/15 20:23:54 miod Exp $ */ 2 3/* 4 * Copyright (c) 2008 Miodrag Vallat. 5 * 6 * Permission to use, copy, modify, and distribute this software for any 7 * purpose with or without fee is hereby granted, provided that the above 8 * copyright notice and this permission notice appear in all copies. 9 * 10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 17 */ 18 19/* 20 * Alliance Promotion AP6422, AT24 and AT3D extended register set definitions. 21 * 22 * This has been reconstructed from XFree86 ``apm'' driver, whose authors 23 * apparently do not believe in meaningful constants for numbers. See 24 * apm_regs.h for more madness. 25 */ 26 27/* 28 * Dual coordinates encoding 29 */ 30 31#define ATR_DUAL(y,x) (((y) << 16) | (x)) 32 33/* 34 * Clipping Control 35 */ 36 37#define ATR_CLIP_CONTROL 0x0030 /* byte access */ 38#define ATR_CLIP_LEFT 0x0038 39#define ATR_CLIP_TOP 0x003a 40#define ATR_CLIP_LEFTTOP 0x0038 41#define ATR_CLIP_RIGHT 0x003c 42#define ATR_CLIP_BOTTOM 0x003e 43#define ATR_CLIP_RIGHTBOTTOM 0x003c 44 45/* 46 * Drawing Engine 47 */ 48 49#define ATR_DEC 0x0040 50#define ATR_ROP 0x0046 51#define ATR_BYTEMASK 0x0047 52#define ATR_PATTERN1 0x0048 53#define ATR_PATTERN2 0x004c 54#define ATR_SRC_X 0x0050 55#define ATR_SRC_Y 0x0052 56#define ATR_SRC_XY 0x0050 57#define ATR_DST_X 0x0054 58#define ATR_DST_Y 0x0056 59#define ATR_DST_XY 0x0054 60#define ATR_W 0x0058 61#define ATR_H 0x005a 62#define ATR_WH 0x0058 63#define ATR_OFFSET 0x005c 64#define ATR_SRC_OFFSET 0x005e 65#define ATR_FG 0x0060 66#define ATR_BG 0x0064 67 68/* DEC layout */ 69#define DEC_COMMAND_MASK 0x0000003f 70#define DEC_COMMAND_SHIFT 0 71#define DEC_DIR_X_REVERSE 0x00000040 72#define DEC_DIR_Y_REVERSE 0x00000080 73#define DEC_DIR_Y_MAJOR 0x00000100 74#define DEC_SRC_LINEAR 0x00000200 75#define DEC_SRC_CONTIGUOUS 0x00000800 76#define DEC_MONOCHROME 0x00001000 77#define DEC_SRC_TRANSPARENT 0x00002000 78#define DEC_DEPTH_MASK 0x0001c000 79#define DEC_DEPTH_SHIFT 14 80#define DEC_DST_LINEAR 0x00040000 81#define DEC_DST_CONTIGUOUS 0x00080000 82#define DEC_DST_TRANSPARENT 0x00100000 83#define DEC_DST_TRANSPARENT_POLARITY 0x00200000 84#define DEC_PATTERN_MASK 0x00c00000 85#define DEC_PATTERN_SHIFT 22 86#define DEC_WIDTH_MASK 0x07000000 87#define DEC_WIDTH_SHIFT 24 88#define DEC_UPDATE_MASK 0x18000000 89#define DEC_UPDATE_SHIFT 27 90#define DEC_START_MASK 0x60000000 91#define DEC_START_SHIFT 29 92#define DEC_START 0x80000000 93 94/* DEC commands */ 95#define DEC_COMMAND_NOP 0x00 96#define DEC_COMMAND_BLT 0x01 /* screen to screen blt */ 97#define DEC_COMMAND_RECT 0x02 /* rectangle fill */ 98#define DEC_COMMAND_BLT_STRETCH 0x03 /* blt and stretch */ 99#define DEC_COMMAND_STRIP 0x04 /* strip pattern */ 100#define DEC_COMMAND_HOST_BLT 0x08 /* host to screen blt */ 101#define DEC_COMMAND_SCREEN_BLT 0x09 /* screen to host blt */ 102#define DEC_COMMAND_VECT_ENDP 0x0c /* vector with end point */ 103#define DEC_COMMAND_VECT_NO_ENDP 0x0d /* vector without end point */ 104 105/* depth */ 106#define DEC_DEPTH_8 0x01 107#define DEC_DEPTH_16 0x02 108#define DEC_DEPTH_32 0x03 109#define DEC_DEPTH_24 0x04 110 111/* width */ 112#define DEC_WIDTH_LINEAR 0x00 113#define DEC_WIDTH_640 0x01 114#define DEC_WIDTH_800 0x02 115#define DEC_WIDTH_1024 0x04 116#define DEC_WIDTH_1152 0x05 117#define DEC_WIDTH_1280 0x06 118#define DEC_WIDTH_1600 0x07 119 120/* update mode */ 121#define DEC_UPDATE_NONE 0x00 122#define DEC_UPDATE_TOP_RIGHT 0x01 123#define DEC_UPDATE_BOTTOM_LEFT 0x02 124#define DEC_UPDATE_LASTPIX 0x03 125 126/* quickstart mode - operation starts as soon as given register is written to */ 127#define DEC_START_DIMX 0x01 128#define DEC_START_SRC 0x02 129#define DEC_START_DST 0x03 130 131/* ROP */ 132#define ROP_DST 0x66 133#define ROP_SRC 0xcc 134#define ROP_PATTERN 0xf0 135 136/* 137 * Configuration Registers 138 */ 139 140#define ATR_PIXEL 0x0080 /* byte access */ 141#define PIXEL_DEPTH_MASK 0x0f 142#define PIXEL_DEPTH_SHIFT 0 143 144/* pixel depth */ 145#define PIXEL_4 0x01 146#define PIXEL_8 0x02 147#define PIXEL_15 0x0c 148#define PIXEL_16 0x0d 149#define PIXEL_24 0x0e 150#define PIXEL_32 0x0f 151 152#define ATR_APERTURE 0x00c0 /* short access */ 153 154/* 155 * DPMS Control 156 */ 157 158#define ATR_DPMS 0x00d0 /* byte access */ 159 160#define DPMS_HSYNC_DISABLE 0x01 161#define DPMS_VSYNC_DISABLE 0x02 162 163/* 164 * RAMDAC 165 */ 166 167#define ATR_COLOR_CORRECTION 0x00e0 168#define ATR_MCLK 0x00e8 169#define ATR_PCLK 0x00ec 170 171/* 172 * Hardware Cursor 173 * 174 * The position can not become negative; the offset register, encoded as 175 * (signed y delta << 8) | signed x delta, allow the cursor image to 176 * cross the upper-left corner. 177 */ 178 179#define ATR_CURSOR_ENABLE 0x0140 180#define ATR_CURSOR_FG 0x0141 /* 3:3:2 */ 181#define ATR_CURSOR_BG 0x0142 /* 3:3:2 */ 182#define ATR_CURSOR_ADDRESS 0x0144 /* in KB from vram */ 183#define ATR_CURSOR_POSITION 0x0148 184#define ATR_CURSOR_OFFSET 0x014c /* short access */ 185 186/* 187 * Identification Register 188 */ 189 190#define ATR_ID 0x0182 191 192#define ID_AP6422 0x6422 193#define ID_AT24 0x6424 194#define ID_AT3D 0x643d 195 196/* 197 * Status Registers 198 */ 199 200#define ATR_FIFO_STATUS 0x01fc 201#define ATR_BLT_STATUS 0x01fd 202 203#define FIFO_MASK 0x0f 204#define FIFO_SHIFT 0 205#define FIFO_AP6422 4 206#define FIFO_AT24 8 207 208#define BLT_HOST_BUSY 0x01 209#define BLT_ENGINE_BUSY 0x04 210