wsdisplay_vcons.c revision 1.3.2.3
1 1.3.2.3 yamt /* $NetBSD: wsdisplay_vcons.c,v 1.3.2.3 2006/03/01 09:28:41 yamt Exp $ */ 2 1.3.2.2 yamt 3 1.3.2.2 yamt /*- 4 1.3.2.2 yamt * Copyright (c) 2005, 2006 Michael Lorenz 5 1.3.2.2 yamt * All rights reserved. 6 1.3.2.2 yamt * 7 1.3.2.2 yamt * Redistribution and use in source and binary forms, with or without 8 1.3.2.2 yamt * modification, are permitted provided that the following conditions 9 1.3.2.2 yamt * are met: 10 1.3.2.2 yamt * 1. Redistributions of source code must retain the above copyright 11 1.3.2.2 yamt * notice, this list of conditions and the following disclaimer. 12 1.3.2.2 yamt * 2. Redistributions in binary form must reproduce the above copyright 13 1.3.2.2 yamt * notice, this list of conditions and the following disclaimer in the 14 1.3.2.2 yamt * documentation and/or other materials provided with the distribution. 15 1.3.2.2 yamt * 3. All advertising materials mentioning features or use of this software 16 1.3.2.2 yamt * must display the following acknowledgement: 17 1.3.2.2 yamt * This product includes software developed by the NetBSD 18 1.3.2.2 yamt * Foundation, Inc. and its contributors. 19 1.3.2.2 yamt * 4. Neither the name of The NetBSD Foundation nor the names of its 20 1.3.2.2 yamt * contributors may be used to endorse or promote products derived 21 1.3.2.2 yamt * from this software without specific prior written permission. 22 1.3.2.2 yamt * 23 1.3.2.2 yamt * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 24 1.3.2.2 yamt * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 25 1.3.2.2 yamt * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 26 1.3.2.2 yamt * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 27 1.3.2.2 yamt * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 28 1.3.2.2 yamt * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 29 1.3.2.2 yamt * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 30 1.3.2.2 yamt * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 31 1.3.2.2 yamt * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 32 1.3.2.2 yamt * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 33 1.3.2.2 yamt * POSSIBILITY OF SUCH DAMAGE. 34 1.3.2.2 yamt */ 35 1.3.2.2 yamt 36 1.3.2.2 yamt #include <sys/cdefs.h> 37 1.3.2.3 yamt __KERNEL_RCSID(0, "$NetBSD: wsdisplay_vcons.c,v 1.3.2.3 2006/03/01 09:28:41 yamt Exp $"); 38 1.3.2.2 yamt 39 1.3.2.2 yamt #include <sys/param.h> 40 1.3.2.2 yamt #include <sys/systm.h> 41 1.3.2.2 yamt #include <sys/kernel.h> 42 1.3.2.2 yamt #include <sys/buf.h> 43 1.3.2.2 yamt #include <sys/device.h> 44 1.3.2.2 yamt #include <sys/ioctl.h> 45 1.3.2.2 yamt #include <sys/malloc.h> 46 1.3.2.2 yamt #include <sys/mman.h> 47 1.3.2.2 yamt #include <sys/tty.h> 48 1.3.2.2 yamt #include <sys/conf.h> 49 1.3.2.2 yamt #include <sys/proc.h> 50 1.3.2.2 yamt #include <sys/kthread.h> 51 1.3.2.2 yamt #include <sys/tprintf.h> 52 1.3.2.2 yamt 53 1.3.2.2 yamt #include <dev/wscons/wsdisplayvar.h> 54 1.3.2.2 yamt #include <dev/wscons/wsconsio.h> 55 1.3.2.2 yamt #include <dev/wsfont/wsfont.h> 56 1.3.2.2 yamt #include <dev/rasops/rasops.h> 57 1.3.2.2 yamt 58 1.3.2.2 yamt #include <dev/wscons/wsdisplay_vconsvar.h> 59 1.3.2.2 yamt 60 1.3.2.2 yamt static void vcons_dummy_init_screen(void *, struct vcons_screen *, int, 61 1.3.2.2 yamt long *); 62 1.3.2.2 yamt 63 1.3.2.2 yamt static int vcons_alloc_screen(void *, const struct wsscreen_descr *, void **, 64 1.3.2.2 yamt int *, int *, long *); 65 1.3.2.2 yamt static void vcons_free_screen(void *, void *); 66 1.3.2.2 yamt static int vcons_show_screen(void *, void *, int, void (*)(void *, int, int), 67 1.3.2.2 yamt void *); 68 1.3.2.2 yamt 69 1.3.2.2 yamt static void vcons_do_switch(struct vcons_data *); 70 1.3.2.2 yamt 71 1.3.2.2 yamt /* methods that work only on text buffers */ 72 1.3.2.2 yamt static void vcons_copycols_buffer(void *, int, int, int, int); 73 1.3.2.2 yamt static void vcons_erasecols_buffer(void *, int, int, int, long); 74 1.3.2.2 yamt static void vcons_copyrows_buffer(void *, int, int, int); 75 1.3.2.2 yamt static void vcons_eraserows_buffer(void *, int, int, long); 76 1.3.2.2 yamt static void vcons_putchar_buffer(void *, int, int, u_int, long); 77 1.3.2.2 yamt 78 1.3.2.2 yamt /* 79 1.3.2.2 yamt * actual wrapper methods which call both the _buffer ones above and the 80 1.3.2.2 yamt * driver supplied ones to do the drawing 81 1.3.2.2 yamt */ 82 1.3.2.2 yamt static void vcons_copycols(void *, int, int, int, int); 83 1.3.2.2 yamt static void vcons_erasecols(void *, int, int, int, long); 84 1.3.2.2 yamt static void vcons_copyrows(void *, int, int, int); 85 1.3.2.2 yamt static void vcons_eraserows(void *, int, int, long); 86 1.3.2.2 yamt static void vcons_putchar(void *, int, int, u_int, long); 87 1.3.2.2 yamt static void vcons_cursor(void *, int, int, int); 88 1.3.2.2 yamt 89 1.3.2.2 yamt /* support for readin/writing text buffers. For wsmoused */ 90 1.3.2.2 yamt static int vcons_putwschar(void *, struct wsdisplay_char *); 91 1.3.2.2 yamt static int vcons_getwschar(void *, struct wsdisplay_char *); 92 1.3.2.2 yamt 93 1.3.2.2 yamt static void vcons_lock(struct vcons_screen *); 94 1.3.2.2 yamt static void vcons_unlock(struct vcons_screen *); 95 1.3.2.2 yamt 96 1.3.2.2 yamt 97 1.3.2.2 yamt int 98 1.3.2.2 yamt vcons_init(struct vcons_data *vd, void *cookie, struct wsscreen_descr *def, 99 1.3.2.2 yamt struct wsdisplay_accessops *ao) 100 1.3.2.2 yamt { 101 1.3.2.2 yamt 102 1.3.2.2 yamt /* zero out everything so we can rely on untouched fields being 0 */ 103 1.3.2.2 yamt memset(vd, 0, sizeof(struct vcons_data)); 104 1.3.2.2 yamt 105 1.3.2.2 yamt vd->cookie = cookie; 106 1.3.2.2 yamt 107 1.3.2.2 yamt vd->init_screen = vcons_dummy_init_screen; 108 1.3.2.2 yamt vd->show_screen_cb = NULL; 109 1.3.2.2 yamt 110 1.3.2.2 yamt ao->alloc_screen = vcons_alloc_screen; 111 1.3.2.2 yamt ao->free_screen = vcons_free_screen; 112 1.3.2.2 yamt ao->show_screen = vcons_show_screen; 113 1.3.2.2 yamt ao->getwschar = vcons_getwschar; 114 1.3.2.2 yamt ao->putwschar = vcons_putwschar; 115 1.3.2.2 yamt 116 1.3.2.2 yamt LIST_INIT(&vd->screens); 117 1.3.2.2 yamt vd->active = NULL; 118 1.3.2.2 yamt vd->wanted = NULL; 119 1.3.2.2 yamt vd->currenttype = def; 120 1.3.2.2 yamt callout_init(&vd->switch_callout); 121 1.3.2.2 yamt 122 1.3.2.2 yamt /* 123 1.3.2.2 yamt * a lock to serialize access to the framebuffer. 124 1.3.2.2 yamt * when switching screens we need to make sure there's no rasops 125 1.3.2.2 yamt * operation in progress 126 1.3.2.2 yamt */ 127 1.3.2.2 yamt #ifdef DIAGNOSTIC 128 1.3.2.2 yamt vd->switch_poll_count = 0; 129 1.3.2.2 yamt #endif 130 1.3.2.2 yamt return 0; 131 1.3.2.2 yamt } 132 1.3.2.2 yamt 133 1.3.2.2 yamt static void 134 1.3.2.2 yamt vcons_lock(struct vcons_screen *scr) 135 1.3.2.2 yamt { 136 1.3.2.2 yamt #ifdef VCONS_PARANOIA 137 1.3.2.2 yamt int s; 138 1.3.2.2 yamt 139 1.3.2.2 yamt s = splhigh(); 140 1.3.2.2 yamt #endif 141 1.3.2.2 yamt SCREEN_BUSY(scr); 142 1.3.2.2 yamt #ifdef VCONS_PARANOIA 143 1.3.2.2 yamt splx(s); 144 1.3.2.2 yamt #endif 145 1.3.2.2 yamt } 146 1.3.2.2 yamt 147 1.3.2.2 yamt static void 148 1.3.2.2 yamt vcons_unlock(struct vcons_screen *scr) 149 1.3.2.2 yamt { 150 1.3.2.2 yamt #ifdef VCONS_PARANOIA 151 1.3.2.2 yamt int s; 152 1.3.2.2 yamt 153 1.3.2.2 yamt s = splhigh(); 154 1.3.2.2 yamt #endif 155 1.3.2.2 yamt SCREEN_IDLE(scr); 156 1.3.2.2 yamt #ifdef VCONS_PARANOIA 157 1.3.2.2 yamt splx(s); 158 1.3.2.2 yamt #endif 159 1.3.2.2 yamt } 160 1.3.2.2 yamt 161 1.3.2.2 yamt static void 162 1.3.2.2 yamt vcons_dummy_init_screen(void *cookie, struct vcons_screen *scr, int exists, 163 1.3.2.2 yamt long *defattr) 164 1.3.2.2 yamt { 165 1.3.2.2 yamt 166 1.3.2.2 yamt /* 167 1.3.2.2 yamt * default init_screen() method. 168 1.3.2.2 yamt * Needs to be overwritten so we bitch and whine in case anyone ends 169 1.3.2.2 yamt * up in here. 170 1.3.2.2 yamt */ 171 1.3.2.2 yamt printf("vcons_init_screen: dummy function called. Your driver is " 172 1.3.2.2 yamt "supposed to supply a replacement for proper operation\n"); 173 1.3.2.2 yamt } 174 1.3.2.2 yamt 175 1.3.2.2 yamt int 176 1.3.2.2 yamt vcons_init_screen(struct vcons_data *vd, struct vcons_screen *scr, 177 1.3.2.2 yamt int existing, long *defattr) 178 1.3.2.2 yamt { 179 1.3.2.2 yamt struct rasops_info *ri = &scr->scr_ri; 180 1.3.2.2 yamt int cnt, i; 181 1.3.2.2 yamt 182 1.3.2.2 yamt scr->scr_cookie = vd->cookie; 183 1.3.2.3 yamt scr->scr_vd = scr->scr_origvd = vd; 184 1.3.2.2 yamt SCREEN_IDLE(scr); 185 1.3.2.2 yamt 186 1.3.2.2 yamt /* 187 1.3.2.2 yamt * call the driver-supplied init_screen function which is expected 188 1.3.2.2 yamt * to set up rasops_info, override cursor() and probably others 189 1.3.2.2 yamt */ 190 1.3.2.2 yamt vd->init_screen(vd->cookie, scr, existing, defattr); 191 1.3.2.2 yamt 192 1.3.2.2 yamt /* 193 1.3.2.2 yamt * save the non virtual console aware rasops and replace them with 194 1.3.2.2 yamt * our wrappers 195 1.3.2.2 yamt */ 196 1.3.2.2 yamt vd->eraserows = ri->ri_ops.eraserows; 197 1.3.2.2 yamt vd->copyrows = ri->ri_ops.copyrows; 198 1.3.2.2 yamt vd->erasecols = ri->ri_ops.erasecols; 199 1.3.2.2 yamt vd->copycols = ri->ri_ops.copycols; 200 1.3.2.2 yamt vd->putchar = ri->ri_ops.putchar; 201 1.3.2.2 yamt vd->cursor = ri->ri_ops.cursor; 202 1.3.2.2 yamt 203 1.3.2.2 yamt ri->ri_ops.eraserows = vcons_eraserows; 204 1.3.2.2 yamt ri->ri_ops.copyrows = vcons_copyrows; 205 1.3.2.2 yamt ri->ri_ops.erasecols = vcons_erasecols; 206 1.3.2.2 yamt ri->ri_ops.copycols = vcons_copycols; 207 1.3.2.2 yamt ri->ri_ops.putchar = vcons_putchar; 208 1.3.2.2 yamt ri->ri_ops.cursor = vcons_cursor; 209 1.3.2.2 yamt ri->ri_hw = scr; 210 1.3.2.2 yamt 211 1.3.2.2 yamt /* 212 1.3.2.2 yamt * we allocate both chars and attributes in one chunk, attributes first 213 1.3.2.2 yamt * because they have the (potentially) bigger alignment 214 1.3.2.2 yamt */ 215 1.3.2.2 yamt cnt = ri->ri_rows * ri->ri_cols; 216 1.3.2.2 yamt scr->scr_attrs = (long *)malloc(cnt * (sizeof(long) + 217 1.3.2.2 yamt sizeof(uint16_t)), M_DEVBUF, M_WAITOK); 218 1.3.2.2 yamt if (scr->scr_attrs == NULL) 219 1.3.2.2 yamt return ENOMEM; 220 1.3.2.2 yamt 221 1.3.2.2 yamt scr->scr_chars = (uint16_t *)&scr->scr_attrs[cnt]; 222 1.3.2.2 yamt 223 1.3.2.2 yamt ri->ri_ops.allocattr(ri, WS_DEFAULT_FG, WS_DEFAULT_BG, 0, defattr); 224 1.3.2.2 yamt scr->scr_defattr = *defattr; 225 1.3.2.2 yamt 226 1.3.2.2 yamt /* 227 1.3.2.2 yamt * fill the attribute buffer with *defattr, chars with 0x20 228 1.3.2.2 yamt * since we don't know if the driver tries to mimic firmware output or 229 1.3.2.2 yamt * reset everything we do nothing to VRAM here, any driver that feels 230 1.3.2.2 yamt * the need to clear screen or something will have to do it on its own 231 1.3.2.2 yamt * Additional screens will start out in the background anyway so 232 1.3.2.2 yamt * cleaning or not only really affects the initial console screen 233 1.3.2.2 yamt */ 234 1.3.2.2 yamt for (i = 0; i < cnt; i++) { 235 1.3.2.2 yamt scr->scr_attrs[i] = *defattr; 236 1.3.2.2 yamt scr->scr_chars[i] = 0x20; 237 1.3.2.2 yamt } 238 1.3.2.2 yamt 239 1.3.2.2 yamt if(vd->active == NULL) { 240 1.3.2.2 yamt vd->active = scr; 241 1.3.2.2 yamt SCREEN_VISIBLE(scr); 242 1.3.2.2 yamt } 243 1.3.2.2 yamt 244 1.3.2.2 yamt if (existing) { 245 1.3.2.2 yamt SCREEN_VISIBLE(scr); 246 1.3.2.2 yamt vd->active = scr; 247 1.3.2.2 yamt } else { 248 1.3.2.2 yamt SCREEN_INVISIBLE(scr); 249 1.3.2.2 yamt } 250 1.3.2.2 yamt 251 1.3.2.2 yamt LIST_INSERT_HEAD(&vd->screens, scr, next); 252 1.3.2.2 yamt return 0; 253 1.3.2.2 yamt } 254 1.3.2.2 yamt 255 1.3.2.2 yamt static void 256 1.3.2.2 yamt vcons_do_switch(struct vcons_data *vd) 257 1.3.2.2 yamt { 258 1.3.2.2 yamt struct vcons_screen *scr, *oldscr; 259 1.3.2.2 yamt 260 1.3.2.2 yamt scr = vd->wanted; 261 1.3.2.2 yamt if (!scr) { 262 1.3.2.2 yamt printf("vcons_switch_screen: disappeared\n"); 263 1.3.2.2 yamt vd->switch_cb(vd->switch_cb_arg, EIO, 0); 264 1.3.2.2 yamt return; 265 1.3.2.2 yamt } 266 1.3.2.2 yamt oldscr = vd->active; /* can be NULL! */ 267 1.3.2.2 yamt 268 1.3.2.2 yamt /* 269 1.3.2.2 yamt * if there's an old, visible screen we mark it invisible and wait 270 1.3.2.2 yamt * until it's not busy so we can safely switch 271 1.3.2.2 yamt */ 272 1.3.2.2 yamt if (oldscr != NULL) { 273 1.3.2.2 yamt SCREEN_INVISIBLE(oldscr); 274 1.3.2.2 yamt if (SCREEN_IS_BUSY(oldscr)) { 275 1.3.2.2 yamt callout_reset(&vd->switch_callout, 1, 276 1.3.2.2 yamt (void(*)(void *))vcons_do_switch, vd); 277 1.3.2.2 yamt #ifdef DIAGNOSTIC 278 1.3.2.2 yamt /* bitch if we wait too long */ 279 1.3.2.2 yamt vd->switch_poll_count++; 280 1.3.2.2 yamt if (vd->switch_poll_count > 100) { 281 1.3.2.2 yamt panic("vcons: screen still busy"); 282 1.3.2.2 yamt } 283 1.3.2.2 yamt #endif 284 1.3.2.2 yamt return; 285 1.3.2.2 yamt } 286 1.3.2.2 yamt /* invisible screen -> no visible cursor image */ 287 1.3.2.2 yamt oldscr->scr_ri.ri_flg &= ~RI_CURSOR; 288 1.3.2.2 yamt #ifdef DIAGNOSTIC 289 1.3.2.2 yamt vd->switch_poll_count = 0; 290 1.3.2.2 yamt #endif 291 1.3.2.2 yamt } 292 1.3.2.2 yamt 293 1.3.2.2 yamt if (scr == oldscr) 294 1.3.2.2 yamt return; 295 1.3.2.2 yamt 296 1.3.2.2 yamt #ifdef DIAGNOSTIC 297 1.3.2.2 yamt if (SCREEN_IS_VISIBLE(scr)) 298 1.3.2.2 yamt panic("vcons_switch_screen: already active"); 299 1.3.2.2 yamt #endif 300 1.3.2.2 yamt 301 1.3.2.2 yamt #ifdef notyet 302 1.3.2.2 yamt if (vd->currenttype != type) { 303 1.3.2.2 yamt vcons_set_screentype(vd, type); 304 1.3.2.2 yamt vd->currenttype = type; 305 1.3.2.2 yamt } 306 1.3.2.2 yamt #endif 307 1.3.2.2 yamt 308 1.3.2.2 yamt SCREEN_VISIBLE(scr); 309 1.3.2.2 yamt vd->active = scr; 310 1.3.2.2 yamt vd->wanted = NULL; 311 1.3.2.2 yamt 312 1.3.2.2 yamt if (vd->show_screen_cb != NULL) 313 1.3.2.2 yamt vd->show_screen_cb(scr); 314 1.3.2.2 yamt 315 1.3.2.2 yamt if ((scr->scr_flags & VCONS_NO_REDRAW) == 0) 316 1.3.2.2 yamt vcons_redraw_screen(scr); 317 1.3.2.2 yamt 318 1.3.2.2 yamt if (vd->switch_cb) 319 1.3.2.2 yamt vd->switch_cb(vd->switch_cb_arg, 0, 0); 320 1.3.2.2 yamt } 321 1.3.2.2 yamt 322 1.3.2.2 yamt void 323 1.3.2.2 yamt vcons_redraw_screen(struct vcons_screen *scr) 324 1.3.2.2 yamt { 325 1.3.2.2 yamt uint16_t *charptr = scr->scr_chars; 326 1.3.2.2 yamt long *attrptr = scr->scr_attrs; 327 1.3.2.2 yamt struct rasops_info *ri = &scr->scr_ri; 328 1.3.2.2 yamt int i, j, offset; 329 1.3.2.2 yamt 330 1.3.2.2 yamt vcons_lock(scr); 331 1.3.2.3 yamt if (SCREEN_IS_VISIBLE(scr) && SCREEN_CAN_DRAW(scr)) { 332 1.3.2.2 yamt 333 1.3.2.2 yamt /* 334 1.3.2.2 yamt * only clear the screen when RI_FULLCLEAR is set since we're 335 1.3.2.2 yamt * going to overwrite every single character cell anyway 336 1.3.2.2 yamt */ 337 1.3.2.2 yamt if (ri->ri_flg & RI_FULLCLEAR) { 338 1.3.2.2 yamt scr->scr_vd->eraserows(ri, 0, ri->ri_rows, 339 1.3.2.2 yamt scr->scr_defattr); 340 1.3.2.2 yamt } 341 1.3.2.2 yamt 342 1.3.2.2 yamt /* redraw the screen */ 343 1.3.2.2 yamt offset = 0; 344 1.3.2.2 yamt for (i = 0; i < ri->ri_rows; i++) { 345 1.3.2.2 yamt for (j = 0; j < ri->ri_cols; j++) { 346 1.3.2.2 yamt /* 347 1.3.2.2 yamt * no need to use the wrapper function - we 348 1.3.2.2 yamt * don't change any characters or attributes 349 1.3.2.2 yamt * and we already made sure the screen we're 350 1.3.2.2 yamt * working on is visible 351 1.3.2.2 yamt */ 352 1.3.2.2 yamt scr->scr_vd->putchar(ri, i, j, 353 1.3.2.2 yamt charptr[offset], attrptr[offset]); 354 1.3.2.2 yamt offset++; 355 1.3.2.2 yamt } 356 1.3.2.2 yamt } 357 1.3.2.2 yamt ri->ri_flg &= ~RI_CURSOR; 358 1.3.2.2 yamt scr->scr_vd->cursor(ri, 1, ri->ri_crow, ri->ri_ccol); 359 1.3.2.2 yamt } 360 1.3.2.2 yamt vcons_unlock(scr); 361 1.3.2.2 yamt } 362 1.3.2.2 yamt 363 1.3.2.2 yamt static int 364 1.3.2.2 yamt vcons_alloc_screen(void *v, const struct wsscreen_descr *type, void **cookiep, 365 1.3.2.2 yamt int *curxp, int *curyp, long *defattrp) 366 1.3.2.2 yamt { 367 1.3.2.2 yamt struct vcons_data *vd = v; 368 1.3.2.2 yamt struct vcons_screen *scr; 369 1.3.2.2 yamt int ret; 370 1.3.2.2 yamt 371 1.3.2.2 yamt scr = malloc(sizeof(struct vcons_screen), M_DEVBUF, M_WAITOK | M_ZERO); 372 1.3.2.2 yamt if (scr == NULL) 373 1.3.2.2 yamt return ENOMEM; 374 1.3.2.2 yamt 375 1.3.2.2 yamt scr->scr_flags = 0; 376 1.3.2.2 yamt scr->scr_status = 0; 377 1.3.2.2 yamt scr->scr_busy = 0; 378 1.3.2.2 yamt scr->scr_type = type; 379 1.3.2.2 yamt 380 1.3.2.2 yamt ret = vcons_init_screen(vd, scr, 0, defattrp); 381 1.3.2.2 yamt if (ret != 0) { 382 1.3.2.2 yamt free(scr, M_DEVBUF); 383 1.3.2.2 yamt return ret; 384 1.3.2.2 yamt } 385 1.3.2.2 yamt 386 1.3.2.2 yamt if (vd->active == NULL) { 387 1.3.2.2 yamt SCREEN_VISIBLE(scr); 388 1.3.2.2 yamt vd->active = scr; 389 1.3.2.2 yamt vd->currenttype = type; 390 1.3.2.2 yamt } 391 1.3.2.2 yamt 392 1.3.2.2 yamt *cookiep = scr; 393 1.3.2.2 yamt *curxp = scr->scr_ri.ri_ccol; 394 1.3.2.2 yamt *curyp = scr->scr_ri.ri_crow; 395 1.3.2.2 yamt return 0; 396 1.3.2.2 yamt } 397 1.3.2.2 yamt 398 1.3.2.2 yamt static void 399 1.3.2.2 yamt vcons_free_screen(void *v, void *cookie) 400 1.3.2.2 yamt { 401 1.3.2.2 yamt struct vcons_data *vd = v; 402 1.3.2.2 yamt struct vcons_screen *scr = cookie; 403 1.3.2.2 yamt 404 1.3.2.2 yamt vcons_lock(scr); 405 1.3.2.2 yamt /* there should be no rasops activity here */ 406 1.3.2.2 yamt 407 1.3.2.2 yamt LIST_REMOVE(scr, next); 408 1.3.2.2 yamt 409 1.3.2.2 yamt if ((scr->scr_flags & VCONS_SCREEN_IS_STATIC) == 0) { 410 1.3.2.2 yamt free(scr->scr_attrs, M_DEVBUF); 411 1.3.2.2 yamt free(scr, M_DEVBUF); 412 1.3.2.2 yamt } else { 413 1.3.2.2 yamt /* 414 1.3.2.2 yamt * maybe we should just restore the old rasops_info methods 415 1.3.2.2 yamt * and free the character/attribute buffer here? 416 1.3.2.2 yamt */ 417 1.3.2.2 yamt #ifdef VCONS_DEBUG 418 1.3.2.2 yamt panic("vcons_free_screen: console"); 419 1.3.2.2 yamt #else 420 1.3.2.2 yamt printf("vcons_free_screen: console\n"); 421 1.3.2.2 yamt #endif 422 1.3.2.2 yamt } 423 1.3.2.2 yamt 424 1.3.2.2 yamt if (vd->active == scr) 425 1.3.2.2 yamt vd->active = NULL; 426 1.3.2.2 yamt } 427 1.3.2.2 yamt 428 1.3.2.2 yamt static int 429 1.3.2.2 yamt vcons_show_screen(void *v, void *cookie, int waitok, 430 1.3.2.2 yamt void (*cb)(void *, int, int), void *cb_arg) 431 1.3.2.2 yamt { 432 1.3.2.2 yamt struct vcons_data *vd = v; 433 1.3.2.2 yamt struct vcons_screen *scr; 434 1.3.2.2 yamt 435 1.3.2.2 yamt scr = cookie; 436 1.3.2.2 yamt if (scr == vd->active) 437 1.3.2.2 yamt return 0; 438 1.3.2.2 yamt 439 1.3.2.2 yamt vd->wanted = scr; 440 1.3.2.2 yamt vd->switch_cb = cb; 441 1.3.2.2 yamt vd->switch_cb_arg = cb_arg; 442 1.3.2.2 yamt if (cb) { 443 1.3.2.2 yamt callout_reset(&vd->switch_callout, 0, 444 1.3.2.2 yamt (void(*)(void *))vcons_do_switch, vd); 445 1.3.2.2 yamt return EAGAIN; 446 1.3.2.2 yamt } 447 1.3.2.2 yamt 448 1.3.2.2 yamt vcons_do_switch(vd); 449 1.3.2.2 yamt return 0; 450 1.3.2.2 yamt } 451 1.3.2.2 yamt 452 1.3.2.2 yamt /* wrappers for rasops_info methods */ 453 1.3.2.2 yamt 454 1.3.2.2 yamt static void 455 1.3.2.2 yamt vcons_copycols_buffer(void *cookie, int row, int srccol, int dstcol, int ncols) 456 1.3.2.2 yamt { 457 1.3.2.2 yamt struct rasops_info *ri = cookie; 458 1.3.2.2 yamt struct vcons_screen *scr = ri->ri_hw; 459 1.3.2.2 yamt int from = srccol + row * ri->ri_cols; 460 1.3.2.2 yamt int to = dstcol + row * ri->ri_cols; 461 1.3.2.2 yamt 462 1.3.2.2 yamt memmove(&scr->scr_attrs[to], &scr->scr_attrs[from], 463 1.3.2.2 yamt ncols * sizeof(long)); 464 1.3.2.2 yamt memmove(&scr->scr_chars[to], &scr->scr_chars[from], 465 1.3.2.2 yamt ncols * sizeof(uint16_t)); 466 1.3.2.2 yamt } 467 1.3.2.2 yamt 468 1.3.2.2 yamt static void 469 1.3.2.2 yamt vcons_copycols(void *cookie, int row, int srccol, int dstcol, int ncols) 470 1.3.2.2 yamt { 471 1.3.2.2 yamt struct rasops_info *ri = cookie; 472 1.3.2.2 yamt struct vcons_screen *scr = ri->ri_hw; 473 1.3.2.2 yamt 474 1.3.2.2 yamt vcons_copycols_buffer(cookie, row, srccol, dstcol, ncols); 475 1.3.2.2 yamt 476 1.3.2.2 yamt vcons_lock(scr); 477 1.3.2.3 yamt if (SCREEN_IS_VISIBLE(scr) && SCREEN_CAN_DRAW(scr)) { 478 1.3.2.2 yamt scr->scr_vd->copycols(cookie, row, srccol, dstcol, ncols); 479 1.3.2.2 yamt } 480 1.3.2.2 yamt vcons_unlock(scr); 481 1.3.2.2 yamt } 482 1.3.2.2 yamt 483 1.3.2.2 yamt static void 484 1.3.2.2 yamt vcons_erasecols_buffer(void *cookie, int row, int startcol, int ncols, long fillattr) 485 1.3.2.2 yamt { 486 1.3.2.2 yamt struct rasops_info *ri = cookie; 487 1.3.2.2 yamt struct vcons_screen *scr = ri->ri_hw; 488 1.3.2.2 yamt int start = startcol + row * ri->ri_cols; 489 1.3.2.2 yamt int end = start + ncols, i; 490 1.3.2.2 yamt 491 1.3.2.2 yamt for (i = start; i < end; i++) { 492 1.3.2.2 yamt scr->scr_attrs[i] = fillattr; 493 1.3.2.2 yamt scr->scr_chars[i] = 0x20; 494 1.3.2.2 yamt } 495 1.3.2.2 yamt } 496 1.3.2.2 yamt 497 1.3.2.2 yamt static void 498 1.3.2.2 yamt vcons_erasecols(void *cookie, int row, int startcol, int ncols, long fillattr) 499 1.3.2.2 yamt { 500 1.3.2.2 yamt struct rasops_info *ri = cookie; 501 1.3.2.2 yamt struct vcons_screen *scr = ri->ri_hw; 502 1.3.2.2 yamt 503 1.3.2.2 yamt vcons_erasecols_buffer(cookie, row, startcol, ncols, fillattr); 504 1.3.2.2 yamt 505 1.3.2.2 yamt vcons_lock(scr); 506 1.3.2.3 yamt if (SCREEN_IS_VISIBLE(scr) && SCREEN_CAN_DRAW(scr)) { 507 1.3.2.2 yamt scr->scr_vd->erasecols(cookie, row, startcol, ncols, 508 1.3.2.2 yamt fillattr); 509 1.3.2.2 yamt } 510 1.3.2.2 yamt vcons_unlock(scr); 511 1.3.2.2 yamt } 512 1.3.2.2 yamt 513 1.3.2.2 yamt static void 514 1.3.2.2 yamt vcons_copyrows_buffer(void *cookie, int srcrow, int dstrow, int nrows) 515 1.3.2.2 yamt { 516 1.3.2.2 yamt struct rasops_info *ri = cookie; 517 1.3.2.2 yamt struct vcons_screen *scr = ri->ri_hw; 518 1.3.2.2 yamt int from, to, len; 519 1.3.2.2 yamt 520 1.3.2.2 yamt from = ri->ri_cols * srcrow; 521 1.3.2.2 yamt to = ri->ri_cols * dstrow; 522 1.3.2.2 yamt len = ri->ri_cols * nrows; 523 1.3.2.2 yamt 524 1.3.2.2 yamt memmove(&scr->scr_attrs[to], &scr->scr_attrs[from], 525 1.3.2.2 yamt len * sizeof(long)); 526 1.3.2.2 yamt memmove(&scr->scr_chars[to], &scr->scr_chars[from], 527 1.3.2.2 yamt len * sizeof(uint16_t)); 528 1.3.2.2 yamt } 529 1.3.2.2 yamt 530 1.3.2.2 yamt static void 531 1.3.2.2 yamt vcons_copyrows(void *cookie, int srcrow, int dstrow, int nrows) 532 1.3.2.2 yamt { 533 1.3.2.2 yamt struct rasops_info *ri = cookie; 534 1.3.2.2 yamt struct vcons_screen *scr = ri->ri_hw; 535 1.3.2.2 yamt 536 1.3.2.2 yamt vcons_copyrows_buffer(cookie, srcrow, dstrow, nrows); 537 1.3.2.2 yamt 538 1.3.2.2 yamt vcons_lock(scr); 539 1.3.2.3 yamt if (SCREEN_IS_VISIBLE(scr) && SCREEN_CAN_DRAW(scr)) { 540 1.3.2.2 yamt scr->scr_vd->copyrows(cookie, srcrow, dstrow, nrows); 541 1.3.2.2 yamt } 542 1.3.2.2 yamt vcons_unlock(scr); 543 1.3.2.2 yamt } 544 1.3.2.2 yamt 545 1.3.2.2 yamt static void 546 1.3.2.2 yamt vcons_eraserows_buffer(void *cookie, int row, int nrows, long fillattr) 547 1.3.2.2 yamt { 548 1.3.2.2 yamt struct rasops_info *ri = cookie; 549 1.3.2.2 yamt struct vcons_screen *scr = ri->ri_hw; 550 1.3.2.2 yamt int start, end, i; 551 1.3.2.2 yamt 552 1.3.2.2 yamt start = ri->ri_cols * row; 553 1.3.2.2 yamt end = ri->ri_cols * (row + nrows); 554 1.3.2.2 yamt 555 1.3.2.2 yamt for (i = start; i < end; i++) { 556 1.3.2.2 yamt scr->scr_attrs[i] = fillattr; 557 1.3.2.2 yamt scr->scr_chars[i] = 0x20; 558 1.3.2.2 yamt } 559 1.3.2.2 yamt } 560 1.3.2.2 yamt 561 1.3.2.2 yamt static void 562 1.3.2.2 yamt vcons_eraserows(void *cookie, int row, int nrows, long fillattr) 563 1.3.2.2 yamt { 564 1.3.2.2 yamt struct rasops_info *ri = cookie; 565 1.3.2.2 yamt struct vcons_screen *scr = ri->ri_hw; 566 1.3.2.2 yamt 567 1.3.2.2 yamt vcons_eraserows_buffer(cookie, row, nrows, fillattr); 568 1.3.2.2 yamt 569 1.3.2.2 yamt vcons_lock(scr); 570 1.3.2.3 yamt if (SCREEN_IS_VISIBLE(scr) && SCREEN_CAN_DRAW(scr)) { 571 1.3.2.2 yamt scr->scr_vd->eraserows(cookie, row, nrows, fillattr); 572 1.3.2.2 yamt } 573 1.3.2.2 yamt vcons_unlock(scr); 574 1.3.2.2 yamt } 575 1.3.2.2 yamt 576 1.3.2.2 yamt static void 577 1.3.2.2 yamt vcons_putchar_buffer(void *cookie, int row, int col, u_int c, long attr) 578 1.3.2.2 yamt { 579 1.3.2.2 yamt struct rasops_info *ri = cookie; 580 1.3.2.2 yamt struct vcons_screen *scr = ri->ri_hw; 581 1.3.2.2 yamt int pos; 582 1.3.2.2 yamt 583 1.3.2.2 yamt if ((row >= 0) && (row < ri->ri_rows) && (col >= 0) && 584 1.3.2.2 yamt (col < ri->ri_cols)) { 585 1.3.2.2 yamt pos = col + row * ri->ri_cols; 586 1.3.2.2 yamt scr->scr_attrs[pos] = attr; 587 1.3.2.2 yamt scr->scr_chars[pos] = c; 588 1.3.2.2 yamt } 589 1.3.2.2 yamt } 590 1.3.2.2 yamt 591 1.3.2.2 yamt static void 592 1.3.2.2 yamt vcons_putchar(void *cookie, int row, int col, u_int c, long attr) 593 1.3.2.2 yamt { 594 1.3.2.2 yamt struct rasops_info *ri = cookie; 595 1.3.2.2 yamt struct vcons_screen *scr = ri->ri_hw; 596 1.3.2.2 yamt 597 1.3.2.2 yamt vcons_putchar_buffer(cookie, row, col, c, attr); 598 1.3.2.2 yamt 599 1.3.2.2 yamt vcons_lock(scr); 600 1.3.2.3 yamt if (SCREEN_IS_VISIBLE(scr) && SCREEN_CAN_DRAW(scr)) { 601 1.3.2.2 yamt scr->scr_vd->putchar(cookie, row, col, c, attr); 602 1.3.2.2 yamt } 603 1.3.2.2 yamt vcons_unlock(scr); 604 1.3.2.2 yamt } 605 1.3.2.2 yamt 606 1.3.2.2 yamt static void 607 1.3.2.2 yamt vcons_cursor(void *cookie, int on, int row, int col) 608 1.3.2.2 yamt { 609 1.3.2.2 yamt struct rasops_info *ri = cookie; 610 1.3.2.2 yamt struct vcons_screen *scr = ri->ri_hw; 611 1.3.2.2 yamt 612 1.3.2.2 yamt vcons_lock(scr); 613 1.3.2.3 yamt if (SCREEN_IS_VISIBLE(scr) && SCREEN_CAN_DRAW(scr)) { 614 1.3.2.2 yamt scr->scr_vd->cursor(cookie, on, row, col); 615 1.3.2.2 yamt } else { 616 1.3.2.2 yamt scr->scr_ri.ri_crow = row; 617 1.3.2.2 yamt scr->scr_ri.ri_ccol = col; 618 1.3.2.2 yamt } 619 1.3.2.2 yamt vcons_unlock(scr); 620 1.3.2.2 yamt } 621 1.3.2.2 yamt 622 1.3.2.2 yamt /* methods to read/write characters via ioctl() */ 623 1.3.2.2 yamt 624 1.3.2.2 yamt static int 625 1.3.2.2 yamt vcons_putwschar(void *cookie, struct wsdisplay_char *wsc) 626 1.3.2.2 yamt { 627 1.3.2.2 yamt struct rasops_info *ri = cookie; 628 1.3.2.2 yamt long attr; 629 1.3.2.2 yamt 630 1.3.2.2 yamt ri->ri_ops.allocattr(ri, wsc->foreground, wsc->background, 631 1.3.2.2 yamt wsc->flags, &attr); 632 1.3.2.2 yamt vcons_putchar(ri, wsc->row, wsc->col, wsc->letter, attr); 633 1.3.2.2 yamt return 0; 634 1.3.2.2 yamt } 635 1.3.2.2 yamt 636 1.3.2.2 yamt static int 637 1.3.2.2 yamt vcons_getwschar(void *cookie, struct wsdisplay_char *wsc) 638 1.3.2.2 yamt { 639 1.3.2.2 yamt struct rasops_info *ri = cookie; 640 1.3.2.2 yamt struct vcons_screen *scr = ri->ri_hw; 641 1.3.2.2 yamt long attr; 642 1.3.2.2 yamt int offset = ri->ri_cols * wsc->row + wsc->col; 643 1.3.2.2 yamt 644 1.3.2.2 yamt wsc->letter = scr->scr_chars[offset]; 645 1.3.2.2 yamt attr = scr->scr_attrs[offset]; 646 1.3.2.2 yamt 647 1.3.2.2 yamt /* 648 1.3.2.2 yamt * this is ugly. We need to break up an attribute into colours and 649 1.3.2.2 yamt * flags but there's no rasops method to do that so we must rely on 650 1.3.2.2 yamt * the 'canonical' encoding. 651 1.3.2.2 yamt */ 652 1.3.2.2 yamt wsc->foreground = (attr & 0xff000000) >> 24; 653 1.3.2.2 yamt wsc->background = (attr & 0x00ff0000) >> 16; 654 1.3.2.2 yamt wsc->flags = (attr & 0x0000ff00) >> 8; 655 1.3.2.2 yamt return 0; 656 1.3.2.2 yamt } 657
Indexes created Tue Oct 21 08:09:48 GMT 2025