1 /* $NetBSD: omrasopsvar.h,v 1.8 2022/10/03 17:42:35 tsutsui Exp $ */ 2 /* 3 * Copyright (c) 2013 Kenji Aoyama 4 * 5 * Permission to use, copy, modify, and distribute this software for any 6 * purpose with or without fee is hereby granted, provided that the above 7 * copyright notice and this permission notice appear in all copies. 8 * 9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 15 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 16 */ 17 18 #include <machine/board.h> 19 20 /* 21 * Base addresses of LUNA's frame buffer 22 * XXX: We consider only 1bpp and 4bpp for now 23 */ 24 25 #define OMFB_PLANEMASK BMAP_BMSEL /* BMSEL register */ 26 #define OMFB_ROP_COMMON BMAP_FN /* common ROP */ 27 #define OMFB_ROP_P0 BMAP_FN0 28 29 /* will be merged in near future */ 30 #define OMFB_ROPFUNC BMAP_FN /* common ROP function */ 31 32 #define OMFB_MAX_PLANECOUNT (8) 33 #define OMFB_PLANEOFFS (0x40000) /* plane offset */ 34 #define OMFB_STRIDE (2048/8) /* stride [byte] */ 35 36 /* TODO: should be improved... */ 37 extern int hwplanemask; 38 39 /* 40 * ROP function 41 * 42 * LUNA's frame buffer uses Hitachi HM53462 video RAM, which has raster 43 * (logic) operation, or ROP, function. To use ROP function on LUNA, write 44 * a 32bit `mask' value to the specified address corresponding to each ROP 45 * logic. 46 * 47 * D: the data writing to the video RAM 48 * M: the data already stored on the video RAM 49 */ 50 51 /* operation index the video RAM contents will be */ 52 #define ROP_ZERO 0 /* all 0 */ 53 #define ROP_AND1 1 /* D & M */ 54 #define ROP_AND2 2 /* ~D & M */ 55 /* Not used on LUNA 3 */ 56 #define ROP_AND3 4 /* D & ~M */ 57 #define ROP_THROUGH 5 /* D */ 58 #define ROP_EOR 6 /* (~D & M) | (D & ~M) */ 59 #define ROP_OR1 7 /* D | M */ 60 #define ROP_NOR 8 /* ~D | ~M */ 61 #define ROP_ENOR 9 /* (D & M) | (~D & ~M) */ 62 #define ROP_INV1 10 /* ~D */ 63 #define ROP_OR2 11 /* ~D | M */ 64 #define ROP_INV2 12 /* ~M */ 65 #define ROP_OR3 13 /* D | ~M */ 66 #define ROP_NAND 14 /* ~D | ~M */ 67 #define ROP_ONE 15 /* all 1 */ 68 69 int omrasops1_init(struct rasops_info *, int, int); 70 int omrasops4_init(struct rasops_info *, int, int); 71