p4reg.h revision 1.3
1 /* $NetBSD: p4reg.h,v 1.3 1998/02/08 05:13:17 gwr 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 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 /* 40 * Copyright (c) 1995 Theo de Raadt 41 * All rights reserved. 42 * 43 * Redistribution and use in source and binary forms, with or without 44 * modification, are permitted provided that the following conditions 45 * are met: 46 * 1. Redistributions of source code must retain the above copyright 47 * notice, this list of conditions and the following disclaimer. 48 * 2. Redistributions in binary form must reproduce the above copyright 49 * notice, this list of conditions and the following disclaimer in the 50 * documentation and/or other materials provided with the distribution. 51 * 3. All advertising materials mentioning features or use of this software 52 * must display the following acknowledgement: 53 * This product includes software developed by Theo de Raadt. 54 * 4. The name of the author may not be used to endorse or promote products 55 * derived from this software without specific prior written permission. 56 * 57 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 58 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 59 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 60 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 61 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 62 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 63 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 64 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 65 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 66 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 67 */ 68 69 /* 70 * P4 framebuffer register. Most Sun framebuffers have a P4 71 * register at the beginning of the physical space occupied 72 * by the framebuffer that identifies its type, size, etc. 73 */ 74 75 #define P4_REG_DIAG 0x80 76 #define P4_REG_READBACKCLR 0x40 77 #define P4_REG_VIDEO 0x20 78 #define P4_REG_SYNC 0x10 79 #define P4_REG_VTRACE 0x08 80 #define P4_REG_INT 0x04 /* r: pending */ 81 #define P4_REG_INTCLR 0x04 /* w: clear it */ 82 #define P4_REG_INTEN 0x02 83 #define P4_REG_FIRSTHALF 0x01 84 #define P4_REG_RESET 0x01 85 86 #define P4_FBTYPE_MASK 0x7f000000 87 #define P4_FBTYPE(x) ((x) >> 24) 88 89 #define P4_ID_MASK 0xf0 90 #define P4_ID(x) (P4_FBTYPE((x)) == P4_ID_COLOR24 ? \ 91 P4_ID_COLOR24 : \ 92 P4_FBTYPE((x)) & P4_ID_MASK) 93 94 #define P4_NOTFOUND -1 /* no P4 register */ 95 #define P4_ID_BW 0x00 /* BW2: monochrome */ 96 #define P4_ID_FASTCOLOR 0x60 /* CG6: accelerated 8-bit color */ 97 #define P4_ID_COLOR8P1 0x40 /* CG4: 8-bit color + overlay */ 98 #define P4_ID_COLOR24 0x45 /* CG8: 24-bit color + overlay */ 99 100 #define P4_SIZE_MASK 0x0f 101 #define P4_SIZE(x) (P4_FBTYPE((x)) & P4_SIZE_MASK) 102 #define P4_SIZE_1600X1280 0x00 103 #define P4_SIZE_1152X900 0x01 104 #define P4_SIZE_1024X1024 0x02 105 #define P4_SIZE_1280X1024 0x03 106 #define P4_SIZE_1440X1440 0x04 107 #define P4_SIZE_640X480 0x05 108 109 /* Offset of bwtwo framebuffer from P4 register */ 110 #define P4_BW_OFF 0x00100000 111 112 /* Offsets for color framebuffers */ 113 #define P4_COLOR_OFF_OVERLAY 0x00100000 114 #define P4_COLOR_OFF_ENABLE 0x00300000 115 #define P4_COLOR_OFF_COLOR 0x00500000 116 #define P4_COLOR_OFF_END 0x00700000 117 #define P4_COLOR_OFF_CMAP 0xfff00000 /* (-0x00100000) */ 118
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