1 /* $NetBSD: grf_cc.c,v 1.31 2002/03/17 19:40:28 atatat 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 1.31 2002/03/17 19:40:28 atatat Exp $"); 35 36 #include "grfcc.h" 37 #if NGRFCC > 0 38 /* 39 * currently this is a backward compat hack that interface to 40 * view.c 41 */ 42 43 #include <sys/param.h> 44 #include <sys/proc.h> 45 #include <sys/errno.h> 46 #include <sys/ioctl.h> 47 #include <sys/queue.h> 48 #include <sys/device.h> 49 #include <sys/systm.h> 50 #include <machine/cpu.h> 51 #include <amiga/amiga/color.h> /* DEBUG */ 52 #include <amiga/amiga/device.h> 53 #include <amiga/amiga/custom.h> 54 #include <amiga/amiga/cia.h> 55 #include <amiga/dev/grfioctl.h> 56 #include <amiga/dev/grfvar.h> 57 #include <amiga/dev/grf_ccreg.h> 58 #include <amiga/dev/grfabs_reg.h> 59 #include <amiga/dev/viewioctl.h> 60 61 #include <sys/conf.h> 62 #include <machine/conf.h> 63 64 #include <uvm/uvm_extern.h> 65 66 #include "view.h" 67 68 int grfccmatch(struct device *, struct cfdata *, void *); 69 int grfccprint(void *, const char *); 70 void grfccattach(struct device *, struct device *, void *); 71 void grf_cc_on(struct grf_softc *); 72 73 struct cfattach grfcc_ca = { 74 sizeof(struct grf_softc), grfccmatch, grfccattach 75 }; 76 77 /* 78 * only used in console init 79 */ 80 static struct cfdata *cfdata; 81 82 /* 83 * we make sure to only init things once. this is somewhat 84 * tricky regarding the console. 85 */ 86 int 87 grfccmatch(struct device *pdp, struct cfdata *cfp, void *auxp) 88 { 89 static int ccconunit = -1; 90 char *mainbus_name = auxp; 91 92 /* 93 * allow only one cc console 94 */ 95 if (amiga_realconfig == 0 && ccconunit != -1) 96 return(0); 97 if (matchname("grfcc", mainbus_name) == 0) 98 return(0); 99 if (amiga_realconfig == 0 || ccconunit != cfp->cf_unit) { 100 if (grfcc_probe() == 0) 101 return(0); 102 viewprobe(); 103 /* 104 * XXX nasty hack. opens view[0] and never closes. 105 */ 106 if (viewopen(0, 0, 0, NULL)) 107 return(0); 108 if (amiga_realconfig == 0) { 109 ccconunit = cfp->cf_unit; 110 cfdata = cfp; 111 } 112 } 113 return(1); 114 } 115 116 /* 117 * attach to the grfbus (mainbus) 118 */ 119 void 120 grfccattach(struct device *pdp, struct device *dp, void *auxp) 121 { 122 static struct grf_softc congrf; 123 struct grf_softc *gp; 124 125 if (dp == NULL) 126 gp = &congrf; 127 else 128 gp = (struct grf_softc *)dp; 129 130 if (dp != NULL && congrf.g_regkva != 0) { 131 /* 132 * we inited earlier just copy the info 133 * take care not to copy the device struct though. 134 */ 135 bcopy(&congrf.g_display, &gp->g_display, 136 (char *)&gp[1] - (char *)&gp->g_display); 137 } else { 138 gp->g_unit = GRF_CC_UNIT; 139 gp->g_flags = GF_ALIVE; 140 gp->g_mode = cc_mode; 141 gp->g_conpri = grfcc_cnprobe(); 142 grfcc_iteinit(gp); 143 grf_cc_on(gp); 144 } 145 if (dp != NULL) 146 printf("\n"); 147 /* 148 * attach grf 149 */ 150 amiga_config_found(cfdata, &gp->g_device, gp, grfccprint); 151 } 152 153 int 154 grfccprint(void *auxp, const char *pnp) 155 { 156 if (pnp) 157 printf("grf%d at %s", ((struct grf_softc *)auxp)->g_unit, 158 pnp); 159 return(UNCONF); 160 } 161 162 /* 163 * Change the mode of the display. 164 * Right now all we can do is grfon/grfoff. 165 * Return a UNIX error number or 0 for success. 166 */ 167 /*ARGSUSED*/ 168 int 169 cc_mode(struct grf_softc *gp, u_long cmd, void *arg, u_long a2, int a3) 170 { 171 172 switch (cmd) { 173 case GM_GRFON: 174 grf_cc_on(gp); 175 return(0); 176 case GM_GRFOFF: 177 viewioctl(0, VIOCREMOVE, NULL, -1, NULL); 178 return(0); 179 case GM_GRFCONFIG: 180 default: 181 break; 182 } 183 return(EPASSTHROUGH); 184 } 185 186 void 187 grf_cc_on(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, (caddr_t)&bm, -1, NULL); /* XXX type of bm ? */ 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, (caddr_t)&vs, -1, NULL)) { 205 /* XXX type of vs ? */ 206 /* fill in some default values... XXX */ 207 vs.width = 640; 208 vs.height = 400; 209 vs.depth = 2; 210 } 211 gi->gd_colors = 1 << vs.depth; 212 gi->gd_planes = vs.depth; 213 214 gi->gd_fbwidth = vs.width; 215 gi->gd_fbheight = vs.height; 216 gi->gd_fbx = 0; 217 gi->gd_fby = 0; 218 gi->gd_dwidth = vs.width; 219 gi->gd_dheight = vs.height; 220 gi->gd_dx = 0; 221 gi->gd_dy = 0; 222 223 gp->g_regkva = (void *)0xDeadBeaf; /* builtin */ 224 gp->g_fbkva = NULL; /* not needed, view internal */ 225 226 viewioctl(0, VIOCDISPLAY, NULL, -1, NULL); 227 } 228 #endif 229 230