1 /* $NetBSD: grf_ulreg.h,v 1.7 2002/01/26 13:40:55 aymeric Exp $ */ 2 3 /*- 4 * Copyright (c) 1995 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Ignatios Souvatzis. 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 * Registers etc. for the University of Lowell graphics board. 41 */ 42 43 struct gspregs { 44 /* 45 * alas, they didn't invert the A1 bit, so we have to write the 46 * address pointer in two parts 47 */ 48 __volatile u_short hstadrl; 49 __volatile u_short hstadrh; 50 __volatile u_short data; 51 __volatile u_short ctrl; 52 }; 53 54 /* Bits in ctrl */ 55 #define HLT 0x8000 56 #define CF 0x4000 57 #define LBL 0x2000 58 #define INCR 0x1000 59 #define INCW 0x0800 60 #define NMIM 0x0200 61 #define NMI 0x0100 62 63 #define INTOUT 0x0080 64 #define MSGOUT 0x0070 65 #define INTIN 0x0008 66 #define MSGIN 0x0007 67 68 /* address macros */ 69 70 #define GSPSETHADRS(gsp,adrs) do { \ 71 (gsp)->hstadrh = (adrs) >> 16; \ 72 (gsp)->hstadrl = (adrs) & 0xFFFF; \ 73 } while (0) 74 #define GSPGETHADRS(gsp) ((gsp)->hstadrh << 16 | (gsp)->hstadrl) 75 76 /* Standard addresses in GSP memory */ 77 78 #define PUT_PTR_ADRS 0xFFA20000 /* put pointer in ring buffer */ 79 #define PUT_HI_PTR_ADRS 0xFFA20010 /* put pointer high word */ 80 #define GET_PTR_ADRS 0xFFA20020 /* get pointer (low word) */ 81 #define GSP_MODE_ADRS 0xFFA20040 /* GSP mode word */ 82 83 /* Bits in GSP mode word */ 84 #define GMODE_HOLD 1 /* hold screen */ 85 #define GMODE_FLUSH 2 /* flush GSP input queue */ 86 #define GMODE_ALTSCRN 4 /* use alternate screen */ 87 #define GMODE_DISPCTRL 8 /* display control chars */ 88 89 /* command words */ 90 #define GCMD_CMD_MSK 0x000F 91 #define GCMD_PAR_MSK 0xFFF0 92 93 #define GCMD_NOP 0 94 #define GCMD_CHAR 1 /* char, fg, bg, x, y */ 95 #define GCMD_FILL 2 /* fg, x, y, w, h, ppop */ 96 #define GCMD_PIXBLT 3 /* x, y, w, h, dx, dy */ 97 #define GCMD_FNTMIR 4 /* */ 98 #define GCMD_CMAP 5 /* overlay==1, index, red, green, blue */ 99 #define GCMD_MCHG 6 /* width, height, baseh, basel, pitch, depth */ 100 101 struct grf_ul_softc { 102 struct grf_softc gus_sc; 103 u_int8_t gus_imcmap[768]; 104 u_int8_t gus_ovcmap[12]; 105 u_int8_t gus_ovslct; 106 /* realconfig stuff assumes this is last, else it would get copied: */ 107 struct isr gus_isr; 108 }; 109 110 #ifdef _KERNEL 111 void gsp_write(struct gspregs *gsp, u_int16_t *data, size_t size); 112 int grful_cnprobe(void); 113 void grful_iteinit(struct grf_softc *gp); 114 #endif 115 116