1 /* $OpenBSD: omrasops.h,v 1.7 2021/09/25 21:34:21 aoyama Exp $ */ 2 3 /* 4 * Copyright (c) 2013 Kenji Aoyama 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 * Helper macros 21 */ 22 #define W(addr) ((u_int32_t *)(addr)) 23 #define P0(addr) ((u_int32_t *)((u_int8_t *)(addr) + 0x40000)) 24 #define P1(addr) ((u_int32_t *)((u_int8_t *)(addr) + 0x80000)) 25 #define P2(addr) ((u_int32_t *)((u_int8_t *)(addr) + 0xC0000)) 26 #define P3(addr) ((u_int32_t *)((u_int8_t *)(addr) + 0x100000)) 27 28 /* 29 * Replacement Rules (rops) (derived from hp300) 30 */ 31 #define RR_CLEAR 0x0 32 #define RR_COPY 0x3 33 34 /* 35 * ROP function 36 * 37 * LUNA's frame buffer uses Hitachi HM53462 video RAM, which has raster 38 * (logic) operation, or ROP, function. To use ROP function on LUNA, write 39 * a 32bit `mask' value to the specified address corresponding to each ROP 40 * logic. 41 * 42 * D: the data writing to the video RAM 43 * M: the data already stored on the video RAM 44 */ 45 46 /* operation index the video RAM contents will be */ 47 #define ROP_ZERO 0 /* all 0 */ 48 #define ROP_AND1 1 /* D & M */ 49 #define ROP_AND2 2 /* ~D & M */ 50 /* Not used on LUNA 3 */ 51 #define ROP_AND3 4 /* D & ~M */ 52 #define ROP_THROUGH 5 /* D */ 53 #define ROP_EOR 6 /* (~D & M) | (D & ~M) */ 54 #define ROP_OR1 7 /* D | M */ 55 #define ROP_NOR 8 /* ~D | ~M */ 56 #define ROP_ENOR 9 /* (D & M) | (~D & ~M) */ 57 #define ROP_INV1 10 /* ~D */ 58 #define ROP_OR2 11 /* ~D | M */ 59 #define ROP_INV2 12 /* ~M */ 60 #define ROP_OR3 13 /* D | ~M */ 61 #define ROP_NAND 14 /* ~D | ~M */ 62 #define ROP_ONE 15 /* all 1 */ 63