1 /* $NetBSD: cgfourteenvar.h,v 1.4 2002/08/23 02:53:11 thorpej Exp $ */ 2 3 /* 4 * Copyright (c) 1996 5 * The President and Fellows of Harvard College. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by Harvard University and 18 * its contributors. 19 * 4. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 */ 35 36 /* 37 * Layout of cg14 hardware colormap 38 */ 39 union cg14cmap { 40 u_char cm_map[256][4]; /* 256 R/G/B/A entries (B is high)*/ 41 u_int32_t cm_chip[256]; /* the way the chip gets loaded */ 42 }; 43 44 /* 45 * cg14 hardware cursor colormap 46 */ 47 union cg14cursor_cmap { /* colormap, like bt_cmap, but tiny */ 48 u_char cm_map[2][4]; /* 2 R/G/B/A entries */ 49 u_int32_t cm_chip[2]; /* 2 chip equivalents */ 50 }; 51 52 /* 53 * cg14 hardware cursor status 54 */ 55 struct cg14_cursor { /* cg14 hardware cursor status */ 56 short cc_enable; /* cursor is enabled */ 57 struct fbcurpos cc_pos; /* position */ 58 struct fbcurpos cc_hot; /* hot-spot */ 59 struct fbcurpos cc_size; /* size of mask & image fields */ 60 u_int cc_eplane[32]; /* enable plane */ 61 u_int cc_cplane[32]; /* color plane */ 62 union cg14cursor_cmap cc_color; /* cursor colormap */ 63 }; 64 65 /* 66 * per-cg14 variables/state 67 */ 68 struct cgfourteen_softc { 69 struct device sc_dev; /* base device */ 70 struct fbdevice sc_fb; /* frame buffer device */ 71 bus_space_tag_t sc_bustag; 72 struct openprom_addr sc_physadr[2]; /* phys addrs of h/w */ 73 #define CG14_CTL_IDX 0 74 #define CG14_PXL_IDX 1 75 76 union cg14cmap sc_cmap; /* current colormap */ 77 struct cg14_cursor sc_cursor; /* Hardware cursor state */ 78 union cg14cmap sc_saveclut; /* a place to stash PROM state */ 79 u_int8_t sc_savexlut[256]; 80 u_int8_t sc_savectl; 81 u_int8_t sc_savehwc; 82 83 struct cg14ctl *sc_ctl; /* various registers */ 84 struct cg14curs *sc_hwc; 85 struct cg14dac *sc_dac; 86 struct cg14xlut *sc_xlut; 87 struct cg14clut *sc_clut1; 88 struct cg14clut *sc_clut2; 89 struct cg14clut *sc_clut3; 90 u_int *sc_clutincr; 91 }; 92