1 /* $NetBSD: grf_cc.c,v 1.44 2022/03/28 12:38:57 riastradh 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 33 #include <sys/cdefs.h> 34 __KERNEL_RCSID(0, "$NetBSD: grf_cc.c,v 1.44 2022/03/28 12:38:57 riastradh Exp $"); 35 36 #include "grfcc.h" 37 #include "ite.h" 38 #if NGRFCC > 0 39 /* 40 * currently this is a backward compat hack that interface to 41 * view.c 42 */ 43 44 #include <sys/param.h> 45 #include <sys/proc.h> 46 #include <sys/errno.h> 47 #include <sys/ioctl.h> 48 #include <sys/queue.h> 49 #include <sys/device.h> 50 #include <sys/device_impl.h> /* XXX autoconf abuse */ 51 #include <sys/systm.h> 52 #include <sys/conf.h> 53 #include <machine/cpu.h> 54 #include <amiga/amiga/color.h> /* DEBUG */ 55 #include <amiga/amiga/device.h> 56 #include <amiga/amiga/custom.h> 57 #include <amiga/amiga/cia.h> 58 #include <amiga/dev/grfioctl.h> 59 #include <amiga/dev/grfvar.h> 60 #include <amiga/dev/grf_ccreg.h> 61 #include <amiga/dev/grfabs_reg.h> 62 #include <amiga/dev/viewioctl.h> 63 64 #include "view.h" 65 66 int grfccmatch(device_t, cfdata_t, void *); 67 int grfccprint(void *, const char *); 68 void grfccattach(device_t, device_t, void *); 69 void grf_cc_on(struct grf_softc *); 70 71 CFATTACH_DECL_NEW(grfcc, sizeof(struct grf_softc), 72 grfccmatch, grfccattach, NULL, NULL); 73 74 /* 75 * only used in console init 76 */ 77 static cfdata_t cfdata; 78 79 /* 80 * we make sure to only init things once. this is somewhat 81 * tricky regarding the console. 82 */ 83 int 84 grfccmatch(device_t parent, cfdata_t cf, void *aux) 85 { 86 static int ccconunit = -1; 87 char *mainbus_name = aux; 88 extern const struct cdevsw view_cdevsw; 89 90 /* 91 * allow only one cc console 92 */ 93 if (amiga_realconfig == 0 && ccconunit != -1) 94 return(0); 95 if (matchname("grfcc", mainbus_name) == 0) 96 return(0); 97 if (amiga_realconfig == 0 || ccconunit != cf->cf_unit) { 98 if (grfcc_probe() == 0) 99 return(0); 100 viewprobe(); 101 /* 102 * XXX nasty hack. opens view[0] and never closes. 103 */ 104 if ((*view_cdevsw.d_open)(0, 0, 0, NULL)) 105 return(0); 106 if (amiga_realconfig == 0) { 107 ccconunit = cf->cf_unit; 108 cfdata = cf; 109 } 110 } 111 return(1); 112 } 113 114 /* 115 * attach to the grfbus (mainbus) 116 */ 117 void 118 grfccattach(device_t parent, device_t self, void *aux) 119 { 120 static struct grf_softc congrf; 121 struct device temp; 122 struct grf_softc *gp; 123 124 if (self == NULL) { 125 gp = &congrf; 126 gp->g_device = &temp; 127 temp.dv_private = gp; 128 } else { 129 gp = device_private(self); 130 gp->g_device = self; 131 } 132 133 if (self != NULL && congrf.g_regkva != 0) { 134 /* 135 * we inited earlier just copy the info 136 * take care not to copy the device struct though. 137 */ 138 memcpy(&gp->g_display, &congrf.g_display, 139 (char *)&gp[1] - (char *)&gp->g_display); 140 } else { 141 gp->g_unit = GRF_CC_UNIT; 142 gp->g_flags = GF_ALIVE; 143 gp->g_mode = cc_mode; 144 #if NITE > 0 145 gp->g_conpri = grfcc_cnprobe(); 146 grfcc_iteinit(gp); 147 #endif 148 grf_cc_on(gp); 149 } 150 if (self != NULL) 151 printf("\n"); 152 /* 153 * attach grf 154 */ 155 amiga_config_found(cfdata, gp->g_device, gp, grfccprint, CFARGS_NONE); 156 } 157 158 int 159 grfccprint(void *aux, const char *pnp) 160 { 161 if (pnp) 162 aprint_normal("grf%d at %s", ((struct grf_softc *)aux)->g_unit, 163 pnp); 164 return(UNCONF); 165 } 166 167 /* 168 * Change the mode of the display. 169 * Right now all we can do is grfon/grfoff. 170 * Return a UNIX error number or 0 for success. 171 */ 172 /*ARGSUSED*/ 173 int 174 cc_mode(struct grf_softc *gp, u_long cmd, void *arg, u_long a2, int a3) 175 { 176 extern const struct cdevsw view_cdevsw; 177 178 switch (cmd) { 179 case GM_GRFON: 180 grf_cc_on(gp); 181 return(0); 182 case GM_GRFOFF: 183 (*view_cdevsw.d_ioctl)(0, VIOCREMOVE, NULL, -1, NULL); 184 return(0); 185 case GM_GRFCONFIG: 186 default: 187 break; 188 } 189 return(EPASSTHROUGH); 190 } 191 192 void 193 grf_cc_on(struct grf_softc *gp) 194 { 195 struct view_size vs; 196 bmap_t bm; 197 struct grfinfo *gi; 198 extern const struct cdevsw view_cdevsw; 199 200 gi = &gp->g_display; 201 202 /* XXX type of bm ? */ 203 (*view_cdevsw.d_ioctl)(0, VIOCGBMAP, (void *)&bm, -1, NULL); 204 205 gp->g_data = (void *) 0xDeadBeaf; /* not particularly clean.. */ 206 207 gi->gd_regaddr = (void *) 0xdff000; /* depricated */ 208 gi->gd_regsize = round_page(sizeof (custom)); 209 gi->gd_fbaddr = bm.hardware_address; 210 gi->gd_fbsize = bm.depth*bm.bytes_per_row*bm.rows; 211 212 if ((*view_cdevsw.d_ioctl)(0, VIOCGSIZE, (void *)&vs, -1, NULL)) { 213 /* XXX type of vs ? */ 214 /* fill in some default values... XXX */ 215 vs.width = 640; 216 vs.height = 400; 217 vs.depth = 2; 218 } 219 gi->gd_colors = 1 << vs.depth; 220 gi->gd_planes = vs.depth; 221 222 gi->gd_fbwidth = vs.width; 223 gi->gd_fbheight = vs.height; 224 gi->gd_fbx = 0; 225 gi->gd_fby = 0; 226 gi->gd_dwidth = vs.width; 227 gi->gd_dheight = vs.height; 228 gi->gd_dx = 0; 229 gi->gd_dy = 0; 230 231 gp->g_regkva = (void *)0xDeadBeaf; /* builtin */ 232 gp->g_fbkva = NULL; /* not needed, view internal */ 233 234 (*view_cdevsw.d_ioctl)(0, VIOCDISPLAY, NULL, -1, NULL); 235 } 236 #endif 237
Indexes created Mon Sep 29 21:09:56 GMT 2025