1 /* $NetBSD: grf_cc.c,v 1.28 2000/06/29 08:44:05 mrg 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 <machine/cpu.h> 47 #include <amiga/amiga/color.h> /* DEBUG */ 48 #include <amiga/amiga/device.h> 49 #include <amiga/amiga/custom.h> 50 #include <amiga/amiga/cia.h> 51 #include <amiga/dev/grfioctl.h> 52 #include <amiga/dev/grfvar.h> 53 #include <amiga/dev/grf_ccreg.h> 54 #include <amiga/dev/grfabs_reg.h> 55 #include <amiga/dev/viewioctl.h> 56 57 #include <sys/conf.h> 58 #include <machine/conf.h> 59 60 #include <uvm/uvm_extern.h> 61 62 #include "view.h" 63 64 int grfccmatch __P((struct device *, struct cfdata *, void *)); 65 int grfccprint __P((void *, const char *)); 66 void grfccattach __P((struct device *, struct device *, void *)); 67 void grf_cc_on __P((struct grf_softc *)); 68 69 struct cfattach grfcc_ca = { 70 sizeof(struct grf_softc), grfccmatch, grfccattach 71 }; 72 73 /* 74 * only used in console init 75 */ 76 static struct cfdata *cfdata; 77 78 /* 79 * we make sure to only init things once. this is somewhat 80 * tricky regarding the console. 81 */ 82 int 83 grfccmatch(pdp, cfp, auxp) 84 struct device *pdp; 85 struct cfdata *cfp; 86 void *auxp; 87 { 88 static int ccconunit = -1; 89 char *mainbus_name = auxp; 90 91 /* 92 * allow only one cc console 93 */ 94 if (amiga_realconfig == 0 && ccconunit != -1) 95 return(0); 96 if (matchname("grfcc", mainbus_name) == 0) 97 return(0); 98 if (amiga_realconfig == 0 || ccconunit != cfp->cf_unit) { 99 if (grfcc_probe() == 0) 100 return(0); 101 viewprobe(); 102 /* 103 * XXX nasty hack. opens view[0] and never closes. 104 */ 105 if (viewopen(0, 0, 0, NULL)) 106 return(0); 107 if (amiga_realconfig == 0) { 108 ccconunit = cfp->cf_unit; 109 cfdata = cfp; 110 } 111 } 112 return(1); 113 } 114 115 /* 116 * attach to the grfbus (mainbus) 117 */ 118 void 119 grfccattach(pdp, dp, auxp) 120 struct device *pdp, *dp; 121 void *auxp; 122 { 123 static struct grf_softc congrf; 124 struct grf_softc *gp; 125 126 if (dp == NULL) 127 gp = &congrf; 128 else 129 gp = (struct grf_softc *)dp; 130 131 if (dp != NULL && congrf.g_regkva != 0) { 132 /* 133 * we inited earlier just copy the info 134 * take care not to copy the device struct though. 135 */ 136 bcopy(&congrf.g_display, &gp->g_display, 137 (char *)&gp[1] - (char *)&gp->g_display); 138 } else { 139 gp->g_unit = GRF_CC_UNIT; 140 gp->g_flags = GF_ALIVE; 141 gp->g_mode = cc_mode; 142 gp->g_conpri = grfcc_cnprobe(); 143 grfcc_iteinit(gp); 144 grf_cc_on(gp); 145 } 146 if (dp != NULL) 147 printf("\n"); 148 /* 149 * attach grf 150 */ 151 amiga_config_found(cfdata, &gp->g_device, gp, grfccprint); 152 } 153 154 int 155 grfccprint(auxp, pnp) 156 void *auxp; 157 const char *pnp; 158 { 159 if (pnp) 160 printf("grf%d at %s", ((struct grf_softc *)auxp)->g_unit, 161 pnp); 162 return(UNCONF); 163 } 164 165 /* 166 * Change the mode of the display. 167 * Right now all we can do is grfon/grfoff. 168 * Return a UNIX error number or 0 for success. 169 */ 170 /*ARGSUSED*/ 171 int 172 cc_mode(gp, cmd, arg, a2, a3) 173 struct grf_softc *gp; 174 u_long cmd; 175 void *arg; 176 u_long a2; 177 int a3; 178 { 179 180 switch (cmd) { 181 case GM_GRFON: 182 grf_cc_on(gp); 183 return(0); 184 case GM_GRFOFF: 185 viewioctl(0, VIOCREMOVE, NULL, -1, NULL); 186 return(0); 187 case GM_GRFCONFIG: 188 default: 189 break; 190 } 191 return(EINVAL); 192 } 193 194 void 195 grf_cc_on(gp) 196 struct grf_softc *gp; 197 { 198 struct view_size vs; 199 bmap_t bm; 200 struct grfinfo *gi; 201 202 gi = &gp->g_display; 203 204 viewioctl(0, VIOCGBMAP, (caddr_t)&bm, -1, NULL); /* XXX type of bm ? */ 205 206 gp->g_data = (caddr_t) 0xDeadBeaf; /* not particularly clean.. */ 207 208 gi->gd_regaddr = (caddr_t) 0xdff000; /* depricated */ 209 gi->gd_regsize = round_page(sizeof (custom)); 210 gi->gd_fbaddr = bm.hardware_address; 211 gi->gd_fbsize = bm.depth*bm.bytes_per_row*bm.rows; 212 213 if (viewioctl (0, VIOCGSIZE, (caddr_t)&vs, -1, NULL)) { 214 /* XXX type of vs ? */ 215 /* fill in some default values... XXX */ 216 vs.width = 640; 217 vs.height = 400; 218 vs.depth = 2; 219 } 220 gi->gd_colors = 1 << vs.depth; 221 gi->gd_planes = vs.depth; 222 223 gi->gd_fbwidth = vs.width; 224 gi->gd_fbheight = vs.height; 225 gi->gd_fbx = 0; 226 gi->gd_fby = 0; 227 gi->gd_dwidth = vs.width; 228 gi->gd_dheight = vs.height; 229 gi->gd_dx = 0; 230 gi->gd_dy = 0; 231 232 gp->g_regkva = (void *)0xDeadBeaf; /* builtin */ 233 gp->g_fbkva = NULL; /* not needed, view internal */ 234 235 viewioctl(0, VIOCDISPLAY, NULL, -1, NULL); 236 } 237 #endif 238 239