1 /* $NetBSD: grf_cc.c,v 1.17 1995/02/16 21:57:34 chopps Exp $ */ 2 3 /* 4 * Copyright (c) 1994 Christian E. Hopps 5 * 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 Christian E. Hopps. 18 * 4. The name of the author may not be used to endorse or promote products 19 * derived from this software without specific prior written permission 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 22 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 23 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 24 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 26 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 30 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 #include "grfcc.h" 33 #if NGRFCC > 0 34 /* 35 * currently this is a backward compat hack that interface to 36 * view.c 37 */ 38 39 #include <sys/param.h> 40 #include <sys/errno.h> 41 #include <sys/ioctl.h> 42 #include <sys/queue.h> 43 #include <sys/device.h> 44 #include <vm/vm_param.h> 45 #include <machine/cpu.h> 46 #include <amiga/amiga/color.h> /* DEBUG */ 47 #include <amiga/amiga/device.h> 48 #include <amiga/amiga/custom.h> 49 #include <amiga/amiga/cia.h> 50 #include <amiga/dev/grfioctl.h> 51 #include <amiga/dev/grfvar.h> 52 #include <amiga/dev/grf_ccreg.h> 53 #include <amiga/dev/grfabs_reg.h> 54 #include <amiga/dev/viewioctl.h> 55 56 57 int grfccmatch __P((struct device *, struct cfdata *, void *)); 58 int grfccprint __P((void *, char *)); 59 void grfccattach __P((struct device *, struct device *, void *)); 60 void grf_cc_on __P((struct grf_softc *)); 61 62 struct cfdriver grfcccd = { 63 NULL, "grfcc", (cfmatch_t)grfccmatch, grfccattach, 64 DV_DULL, sizeof(struct grf_softc), NULL, 0 }; 65 66 /* 67 * only used in console init 68 */ 69 static struct cfdata *cfdata; 70 71 /* 72 * we make sure to only init things once. this is somewhat 73 * tricky regarding the console. 74 */ 75 int 76 grfccmatch(pdp, cfp, auxp) 77 struct device *pdp; 78 struct cfdata *cfp; 79 void *auxp; 80 { 81 static int ccconunit = -1; 82 char *mainbus_name = auxp; 83 84 /* 85 * allow only one cc console 86 */ 87 if (amiga_realconfig == 0 && ccconunit != -1) 88 return(0); 89 if (matchname("grfcc", mainbus_name) == 0) 90 return(0); 91 if (amiga_realconfig == 0 || ccconunit != cfp->cf_unit) { 92 if (grfcc_probe() == 0) 93 return(0); 94 viewprobe(); 95 /* 96 * XXX nasty hack. opens view[0] and never closes. 97 */ 98 if (viewopen(0, 0)) 99 return(0); 100 if (amiga_realconfig == 0) { 101 ccconunit = cfp->cf_unit; 102 cfdata = cfp; 103 } 104 } 105 return(1); 106 } 107 108 /* 109 * attach to the grfbus (mainbus) 110 */ 111 void 112 grfccattach(pdp, dp, auxp) 113 struct device *pdp, *dp; 114 void *auxp; 115 { 116 static struct grf_softc congrf; 117 static int coninited; 118 struct grf_softc *gp; 119 120 if (dp == NULL) 121 gp = &congrf; 122 else 123 gp = (struct grf_softc *)dp; 124 125 if (dp != NULL && congrf.g_regkva != 0) { 126 /* 127 * we inited earlier just copy the info 128 * take care not to copy the device struct though. 129 */ 130 bcopy(&congrf.g_display, &gp->g_display, 131 (char *)&gp[1] - (char *)&gp->g_display); 132 } else { 133 gp->g_unit = GRF_CC_UNIT; 134 gp->g_flags = GF_ALIVE; 135 gp->g_mode = cc_mode; 136 gp->g_conpri = grfcc_cnprobe(); 137 grfcc_iteinit(gp); 138 grf_cc_on(gp); 139 } 140 if (dp != NULL) 141 printf("\n"); 142 /* 143 * attach grf 144 */ 145 amiga_config_found(cfdata, &gp->g_device, gp, grfccprint); 146 } 147 148 int 149 grfccprint(auxp, pnp) 150 void *auxp; 151 char *pnp; 152 { 153 if (pnp) 154 printf("grf%d at %s", ((struct grf_softc *)auxp)->g_unit, 155 pnp); 156 return(UNCONF); 157 } 158 159 /* 160 * Change the mode of the display. 161 * Right now all we can do is grfon/grfoff. 162 * Return a UNIX error number or 0 for success. 163 */ 164 /*ARGSUSED*/ 165 int 166 cc_mode(gp, cmd, arg, a2, a3) 167 struct grf_softc *gp; 168 int cmd, a2, a3; 169 void *arg; 170 { 171 switch (cmd) { 172 case GM_GRFON: 173 grf_cc_on(gp); 174 return(0); 175 case GM_GRFOFF: 176 viewioctl(0, VIOCREMOVE, NULL, 0, -1); 177 return(0); 178 case GM_GRFCONFIG: 179 default: 180 break; 181 } 182 return(EINVAL); 183 } 184 185 void 186 grf_cc_on(gp) 187 struct grf_softc *gp; 188 { 189 struct view_size vs; 190 bmap_t bm; 191 struct grfinfo *gi; 192 193 gi = &gp->g_display; 194 195 viewioctl(0, VIOCGBMAP, &bm, 0, -1); 196 197 gp->g_data = (caddr_t) 0xDeadBeaf; /* not particularly clean.. */ 198 199 gi->gd_regaddr = (caddr_t) 0xdff000; /* depricated */ 200 gi->gd_regsize = round_page(sizeof (custom)); 201 gi->gd_fbaddr = bm.hardware_address; 202 gi->gd_fbsize = bm.depth*bm.bytes_per_row*bm.rows; 203 204 if (viewioctl (0, VIOCGSIZE, &vs, 0, -1)) { 205 /* fill in some default values... XXX */ 206 vs.width = 640; 207 vs.height = 400; 208 vs.depth = 2; 209 } 210 gi->gd_colors = 1 << vs.depth; 211 gi->gd_planes = vs.depth; 212 213 gi->gd_fbwidth = vs.width; 214 gi->gd_fbheight = vs.height; 215 gi->gd_fbx = 0; 216 gi->gd_fby = 0; 217 gi->gd_dwidth = vs.width; 218 gi->gd_dheight = vs.height; 219 gi->gd_dx = 0; 220 gi->gd_dy = 0; 221 222 gp->g_regkva = (void *)0xDeadBeaf; /* builtin */ 223 gp->g_fbkva = NULL; /* not needed, view internal */ 224 225 viewioctl(0, VIOCDISPLAY, NULL, 0, -1); 226 } 227 #endif 228 229