1 /* $NetBSD: grf_cc.c,v 1.23 1996/12/23 09:10:02 veego 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/proc.h> 41 #include <sys/errno.h> 42 #include <sys/ioctl.h> 43 #include <sys/queue.h> 44 #include <sys/device.h> 45 #include <sys/systm.h> 46 #include <vm/vm_param.h> 47 #include <machine/cpu.h> 48 #include <amiga/amiga/color.h> /* DEBUG */ 49 #include <amiga/amiga/device.h> 50 #include <amiga/amiga/custom.h> 51 #include <amiga/amiga/cia.h> 52 #include <amiga/dev/grfioctl.h> 53 #include <amiga/dev/grfvar.h> 54 #include <amiga/dev/grf_ccreg.h> 55 #include <amiga/dev/grfabs_reg.h> 56 #include <amiga/dev/viewioctl.h> 57 58 #include <sys/conf.h> 59 #include <machine/conf.h> 60 61 #include "view.h" 62 63 int grfccmatch __P((struct device *, struct cfdata *, void *)); 64 int grfccprint __P((void *, const char *)); 65 void grfccattach __P((struct device *, struct device *, void *)); 66 void grf_cc_on __P((struct grf_softc *)); 67 68 struct cfattach grfcc_ca = { 69 sizeof(struct grf_softc), grfccmatch, grfccattach 70 }; 71 72 struct cfdriver grfcc_cd = { 73 NULL, "grfcc", DV_DULL, NULL, 0 74 }; 75 76 /* 77 * only used in console init 78 */ 79 static struct cfdata *cfdata; 80 81 /* 82 * we make sure to only init things once. this is somewhat 83 * tricky regarding the console. 84 */ 85 int 86 grfccmatch(pdp, cfp, auxp) 87 struct device *pdp; 88 struct cfdata *cfp; 89 void *auxp; 90 { 91 static int ccconunit = -1; 92 char *mainbus_name = auxp; 93 94 /* 95 * allow only one cc console 96 */ 97 if (amiga_realconfig == 0 && ccconunit != -1) 98 return(0); 99 if (matchname("grfcc", mainbus_name) == 0) 100 return(0); 101 if (amiga_realconfig == 0 || ccconunit != cfp->cf_unit) { 102 if (grfcc_probe() == 0) 103 return(0); 104 viewprobe(); 105 /* 106 * XXX nasty hack. opens view[0] and never closes. 107 */ 108 if (viewopen(0, 0, 0, NULL)) 109 return(0); 110 if (amiga_realconfig == 0) { 111 ccconunit = cfp->cf_unit; 112 cfdata = cfp; 113 } 114 } 115 return(1); 116 } 117 118 /* 119 * attach to the grfbus (mainbus) 120 */ 121 void 122 grfccattach(pdp, dp, auxp) 123 struct device *pdp, *dp; 124 void *auxp; 125 { 126 static struct grf_softc congrf; 127 struct grf_softc *gp; 128 129 if (dp == NULL) 130 gp = &congrf; 131 else 132 gp = (struct grf_softc *)dp; 133 134 if (dp != NULL && congrf.g_regkva != 0) { 135 /* 136 * we inited earlier just copy the info 137 * take care not to copy the device struct though. 138 */ 139 bcopy(&congrf.g_display, &gp->g_display, 140 (char *)&gp[1] - (char *)&gp->g_display); 141 } else { 142 gp->g_unit = GRF_CC_UNIT; 143 gp->g_flags = GF_ALIVE; 144 gp->g_mode = cc_mode; 145 gp->g_conpri = grfcc_cnprobe(); 146 grfcc_iteinit(gp); 147 grf_cc_on(gp); 148 } 149 if (dp != NULL) 150 printf("\n"); 151 /* 152 * attach grf 153 */ 154 amiga_config_found(cfdata, &gp->g_device, gp, grfccprint); 155 } 156 157 int 158 grfccprint(auxp, pnp) 159 void *auxp; 160 const char *pnp; 161 { 162 if (pnp) 163 printf("grf%d at %s", ((struct grf_softc *)auxp)->g_unit, 164 pnp); 165 return(UNCONF); 166 } 167 168 /* 169 * Change the mode of the display. 170 * Right now all we can do is grfon/grfoff. 171 * Return a UNIX error number or 0 for success. 172 */ 173 /*ARGSUSED*/ 174 int 175 cc_mode(gp, cmd, arg, a2, a3) 176 struct grf_softc *gp; 177 u_long cmd; 178 void *arg; 179 u_long a2; 180 int a3; 181 { 182 183 switch (cmd) { 184 case GM_GRFON: 185 grf_cc_on(gp); 186 return(0); 187 case GM_GRFOFF: 188 viewioctl(0, VIOCREMOVE, NULL, -1, NULL); 189 return(0); 190 case GM_GRFCONFIG: 191 default: 192 break; 193 } 194 return(EINVAL); 195 } 196 197 void 198 grf_cc_on(gp) 199 struct grf_softc *gp; 200 { 201 struct view_size vs; 202 bmap_t bm; 203 struct grfinfo *gi; 204 205 gi = &gp->g_display; 206 207 viewioctl(0, VIOCGBMAP, (caddr_t)&bm, -1, NULL); /* XXX type of bm ? */ 208 209 gp->g_data = (caddr_t) 0xDeadBeaf; /* not particularly clean.. */ 210 211 gi->gd_regaddr = (caddr_t) 0xdff000; /* depricated */ 212 gi->gd_regsize = round_page(sizeof (custom)); 213 gi->gd_fbaddr = bm.hardware_address; 214 gi->gd_fbsize = bm.depth*bm.bytes_per_row*bm.rows; 215 216 if (viewioctl (0, VIOCGSIZE, (caddr_t)&vs, -1, NULL)) { 217 /* XXX type of vs ? */ 218 /* fill in some default values... XXX */ 219 vs.width = 640; 220 vs.height = 400; 221 vs.depth = 2; 222 } 223 gi->gd_colors = 1 << vs.depth; 224 gi->gd_planes = vs.depth; 225 226 gi->gd_fbwidth = vs.width; 227 gi->gd_fbheight = vs.height; 228 gi->gd_fbx = 0; 229 gi->gd_fby = 0; 230 gi->gd_dwidth = vs.width; 231 gi->gd_dheight = vs.height; 232 gi->gd_dx = 0; 233 gi->gd_dy = 0; 234 235 gp->g_regkva = (void *)0xDeadBeaf; /* builtin */ 236 gp->g_fbkva = NULL; /* not needed, view internal */ 237 238 viewioctl(0, VIOCDISPLAY, NULL, -1, NULL); 239 } 240 #endif 241 242