1 /* $NetBSD: omrasopsvar.h,v 1.5 2019/09/22 05:49:16 rin 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 /* 19 * Base addresses of LUNA's frame buffer 20 * XXX: We consider only 1bpp and 4bpp for now 21 */ 22 23 #include <machine/board.h> 24 25 #define OMFB_PLANEMASK BMAP_BMSEL /* BMSEL register */ 26 #define OMFB_FB_WADDR (BMAP_BMP + 8) /* common plane */ 27 #define OMFB_FB_RADDR (BMAP_BMAP0 + 8)/* plane #0 */ 28 #define OMFB_ROPFUNC BMAP_FN /* common ROP function */ 29 30 /* 31 * Helper macros 32 */ 33 #define W(addr) ((uint32_t *)(addr)) 34 #define R(addr) ((uint32_t *)((uint8_t *)(addr) + 0x40000)) 35 #define P0(addr) ((uint32_t *)((uint8_t *)(addr) + 0x40000)) 36 #define P1(addr) ((uint32_t *)((uint8_t *)(addr) + 0x80000)) 37 #define P2(addr) ((uint32_t *)((uint8_t *)(addr) + 0xC0000)) 38 #define P3(addr) ((uint32_t *)((uint8_t *)(addr) + 0x100000)) 39 40 /* 41 * ROP function 42 * 43 * LUNA's frame buffer uses Hitachi HM53462 video RAM, which has raster 44 * (logic) operation, or ROP, function. To use ROP function on LUNA, write 45 * a 32bit `mask' value to the specified address corresponding to each ROP 46 * logic. 47 * 48 * D: the data writing to the video RAM 49 * M: the data already stored on the video RAM 50 */ 51 52 /* operation index the video RAM contents will be */ 53 #define ROP_ZERO 0 /* all 0 */ 54 #define ROP_AND1 1 /* D & M */ 55 #define ROP_AND2 2 /* ~D & M */ 56 /* Not used on LUNA 3 */ 57 #define ROP_AND3 4 /* D & ~M */ 58 #define ROP_THROUGH 5 /* D */ 59 #define ROP_EOR 6 /* (~D & M) | (D & ~M) */ 60 #define ROP_OR1 7 /* D | M */ 61 #define ROP_NOR 8 /* ~D | ~M */ 62 #define ROP_ENOR 9 /* (D & M) | (~D & ~M) */ 63 #define ROP_INV1 10 /* ~D */ 64 #define ROP_OR2 11 /* ~D | M */ 65 #define ROP_INV2 12 /* ~M */ 66 #define ROP_OR3 13 /* D | ~M */ 67 #define ROP_NAND 14 /* ~D | ~M */ 68 #define ROP_ONE 15 /* all 1 */ 69 70 int omrasops1_init(struct rasops_info *, int, int); 71 int omrasops4_init(struct rasops_info *, int, int); 72