1 /* $NetBSD: p4reg.h,v 1.6 2008/04/28 20:23:37 martin Exp $ */ 2 3 /*- 4 * Copyright (c) 1996, 1997 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. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 /* 33 * Copyright (c) 1995 Theo de Raadt 34 * All rights reserved. 35 * 36 * Redistribution and use in source and binary forms, with or without 37 * modification, are permitted provided that the following conditions 38 * are met: 39 * 1. Redistributions of source code must retain the above copyright 40 * notice, this list of conditions and the following disclaimer. 41 * 2. Redistributions in binary form must reproduce the above copyright 42 * notice, this list of conditions and the following disclaimer in the 43 * documentation and/or other materials provided with the distribution. 44 * 45 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 46 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 47 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 48 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 49 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 50 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 51 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 52 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 53 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 54 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 55 */ 56 57 /* 58 * P4 framebuffer register. Most Sun framebuffers have a P4 59 * register at the beginning of the physical space occupied 60 * by the framebuffer that identifies its type, size, etc. 61 */ 62 63 #define P4_REG_DIAG 0x80 64 #define P4_REG_READBACKCLR 0x40 65 #define P4_REG_VIDEO 0x20 66 #define P4_REG_SYNC 0x10 67 #define P4_REG_VTRACE 0x08 68 #define P4_REG_INT 0x04 /* r: pending */ 69 #define P4_REG_INTCLR 0x04 /* w: clear it */ 70 #define P4_REG_INTEN 0x02 71 #define P4_REG_FIRSTHALF 0x01 72 #define P4_REG_RESET 0x01 73 74 #define P4_FBTYPE_MASK 0x7f000000 75 #define P4_FBTYPE(x) ((x) >> 24) 76 77 #define P4_ID_MASK 0xf0 78 #define P4_ID(x) (P4_FBTYPE((x)) == P4_ID_COLOR24 ? \ 79 P4_ID_COLOR24 : \ 80 P4_FBTYPE((x)) & P4_ID_MASK) 81 82 #define P4_NOTFOUND -1 /* no P4 register */ 83 #define P4_ID_BW 0x00 /* BW2: monochrome */ 84 #define P4_ID_FASTCOLOR 0x60 /* CG6: accelerated 8-bit color */ 85 #define P4_ID_COLOR8P1 0x40 /* CG4: 8-bit color + overlay */ 86 #define P4_ID_COLOR24 0x45 /* CG8: 24-bit color + overlay */ 87 88 #define P4_SIZE_MASK 0x0f 89 #define P4_SIZE(x) (P4_FBTYPE((x)) & P4_SIZE_MASK) 90 #define P4_SIZE_1600X1280 0x00 91 #define P4_SIZE_1152X900 0x01 92 #define P4_SIZE_1024X1024 0x02 93 #define P4_SIZE_1280X1024 0x03 94 #define P4_SIZE_1440X1440 0x04 95 #define P4_SIZE_640X480 0x05 96 97 /* Offset of bwtwo framebuffer from P4 register */ 98 #define P4_BW_OFF 0x00100000 99 100 /* Offsets for color framebuffers */ 101 #define P4_COLOR_OFF_OVERLAY 0x00100000 102 #define P4_COLOR_OFF_ENABLE 0x00300000 103 #define P4_COLOR_OFF_COLOR 0x00500000 104 #define P4_COLOR_OFF_END 0x00700000 105 #define P4_COLOR_OFF_CMAP 0xfff00000 /* (-0x00100000) */ 106
Indexes created Sat Sep 20 22:09:52 GMT 2025