1 /* $NetBSD: grf_cc.c,v 1.32 2002/09/06 13:18:43 gehenna 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 1.32 2002/09/06 13:18:43 gehenna 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 <sys/conf.h> 51 #include <machine/cpu.h> 52 #include <amiga/amiga/color.h> /* DEBUG */ 53 #include <amiga/amiga/device.h> 54 #include <amiga/amiga/custom.h> 55 #include <amiga/amiga/cia.h> 56 #include <amiga/dev/grfioctl.h> 57 #include <amiga/dev/grfvar.h> 58 #include <amiga/dev/grf_ccreg.h> 59 #include <amiga/dev/grfabs_reg.h> 60 #include <amiga/dev/viewioctl.h> 61 62 #include <uvm/uvm_extern.h> 63 64 #include "view.h" 65 66 int grfccmatch(struct device *, struct cfdata *, void *); 67 int grfccprint(void *, const char *); 68 void grfccattach(struct device *, struct device *, void *); 69 void grf_cc_on(struct grf_softc *); 70 71 struct cfattach grfcc_ca = { 72 sizeof(struct grf_softc), grfccmatch, grfccattach 73 }; 74 75 /* 76 * only used in console init 77 */ 78 static struct cfdata *cfdata; 79 80 /* 81 * we make sure to only init things once. this is somewhat 82 * tricky regarding the console. 83 */ 84 int 85 grfccmatch(struct device *pdp, struct cfdata *cfp, void *auxp) 86 { 87 static int ccconunit = -1; 88 char *mainbus_name = auxp; 89 extern const struct cdevsw view_cdevsw; 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 ((*view_cdevsw.d_open)(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(struct device *pdp, struct device *dp, void *auxp) 120 { 121 static struct grf_softc congrf; 122 struct grf_softc *gp; 123 124 if (dp == NULL) 125 gp = &congrf; 126 else 127 gp = (struct grf_softc *)dp; 128 129 if (dp != NULL && congrf.g_regkva != 0) { 130 /* 131 * we inited earlier just copy the info 132 * take care not to copy the device struct though. 133 */ 134 bcopy(&congrf.g_display, &gp->g_display, 135 (char *)&gp[1] - (char *)&gp->g_display); 136 } else { 137 gp->g_unit = GRF_CC_UNIT; 138 gp->g_flags = GF_ALIVE; 139 gp->g_mode = cc_mode; 140 gp->g_conpri = grfcc_cnprobe(); 141 grfcc_iteinit(gp); 142 grf_cc_on(gp); 143 } 144 if (dp != NULL) 145 printf("\n"); 146 /* 147 * attach grf 148 */ 149 amiga_config_found(cfdata, &gp->g_device, gp, grfccprint); 150 } 151 152 int 153 grfccprint(void *auxp, const char *pnp) 154 { 155 if (pnp) 156 printf("grf%d at %s", ((struct grf_softc *)auxp)->g_unit, 157 pnp); 158 return(UNCONF); 159 } 160 161 /* 162 * Change the mode of the display. 163 * Right now all we can do is grfon/grfoff. 164 * Return a UNIX error number or 0 for success. 165 */ 166 /*ARGSUSED*/ 167 int 168 cc_mode(struct grf_softc *gp, u_long cmd, void *arg, u_long a2, int a3) 169 { 170 extern const struct cdevsw view_cdevsw; 171 172 switch (cmd) { 173 case GM_GRFON: 174 grf_cc_on(gp); 175 return(0); 176 case GM_GRFOFF: 177 (*view_cdevsw.d_ioctl)(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 extern const struct cdevsw view_cdevsw; 193 194 gi = &gp->g_display; 195 196 /* XXX type of bm ? */ 197 (*view_cdevsw.d_ioctl)(0, VIOCGBMAP, (caddr_t)&bm, -1, NULL); 198 199 gp->g_data = (caddr_t) 0xDeadBeaf; /* not particularly clean.. */ 200 201 gi->gd_regaddr = (caddr_t) 0xdff000; /* depricated */ 202 gi->gd_regsize = round_page(sizeof (custom)); 203 gi->gd_fbaddr = bm.hardware_address; 204 gi->gd_fbsize = bm.depth*bm.bytes_per_row*bm.rows; 205 206 if ((*view_cdevsw.d_ioctl)(0, VIOCGSIZE, (caddr_t)&vs, -1, NULL)) { 207 /* XXX type of vs ? */ 208 /* fill in some default values... XXX */ 209 vs.width = 640; 210 vs.height = 400; 211 vs.depth = 2; 212 } 213 gi->gd_colors = 1 << vs.depth; 214 gi->gd_planes = vs.depth; 215 216 gi->gd_fbwidth = vs.width; 217 gi->gd_fbheight = vs.height; 218 gi->gd_fbx = 0; 219 gi->gd_fby = 0; 220 gi->gd_dwidth = vs.width; 221 gi->gd_dheight = vs.height; 222 gi->gd_dx = 0; 223 gi->gd_dy = 0; 224 225 gp->g_regkva = (void *)0xDeadBeaf; /* builtin */ 226 gp->g_fbkva = NULL; /* not needed, view internal */ 227 228 (*view_cdevsw.d_ioctl)(0, VIOCDISPLAY, NULL, -1, NULL); 229 } 230 #endif 231 232