ss_scanjet.c revision 1.18.2.4
1 /* $NetBSD: ss_scanjet.c,v 1.18.2.4 2000/11/20 09:59:29 bouyer Exp $ */ 2 3 /* 4 * Copyright (c) 1995 Kenneth Stailey. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. All advertising materials mentioning features or use of this software 15 * must display the following acknowledgement: 16 * This product includes software developed by Kenneth Stailey. 17 * 4. The name of the author may not be used to endorse or promote products 18 * derived from this software without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 21 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 22 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 23 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 24 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 25 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 29 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 /* 33 * special functions for the HP ScanJet IIc and IIcx 34 */ 35 36 #include <sys/types.h> 37 #include <sys/param.h> 38 #include <sys/systm.h> 39 #include <sys/fcntl.h> 40 #include <sys/errno.h> 41 #include <sys/ioctl.h> 42 #include <sys/malloc.h> 43 #include <sys/buf.h> 44 #include <sys/proc.h> 45 #include <sys/user.h> 46 #include <sys/device.h> 47 #include <sys/conf.h> /* for cdevsw */ 48 #include <sys/scanio.h> 49 50 #include <dev/scsipi/scsi_all.h> 51 #include <dev/scsipi/scsipi_all.h> 52 #include <dev/scsipi/scsi_scanner.h> 53 #include <dev/scsipi/scsiconf.h> 54 #include <dev/scsipi/ssvar.h> 55 56 #define SCANJET_RETRIES 4 57 58 int scanjet_get_params __P((struct ss_softc *)); 59 int scanjet_set_params __P((struct ss_softc *, struct scan_io *)); 60 int scanjet_trigger_scanner __P((struct ss_softc *)); 61 int scanjet_read __P((struct ss_softc *, struct buf *)); 62 63 /* only used internally */ 64 int scanjet_ctl_write __P((struct ss_softc *, char *, u_int)); 65 int scanjet_ctl_read __P((struct ss_softc *, char *, u_int)); 66 int scanjet_set_window __P((struct ss_softc *)); 67 int scanjet_compute_sizes __P((struct ss_softc *)); 68 /* Maybe move to libkern? */ 69 __inline static int atoi __P((const char *)); 70 71 72 /* 73 * structure for the special handlers 74 */ 75 struct ss_special scanjet_special = { 76 scanjet_set_params, 77 scanjet_trigger_scanner, 78 scanjet_get_params, 79 NULL, /* no special minphys */ 80 scanjet_read, /* scsi 6-byte read */ 81 NULL, /* no "rewind" code (yet?) */ 82 NULL, /* no adf support right now */ 83 NULL /* no adf support right now */ 84 }; 85 86 /* 87 * scanjet_attach: attach special functions to ss 88 */ 89 void 90 scanjet_attach(ss, sa) 91 struct ss_softc *ss; 92 struct scsipibus_attach_args *sa; 93 { 94 int error; 95 96 SC_DEBUG(ss->sc_periph, SCSIPI_DB1, ("scanjet_attach: start\n")); 97 ss->sio.scan_scanner_type = 0; 98 99 printf("%s: ", ss->sc_dev.dv_xname); 100 101 /* first, check the model (which determines nothing yet) */ 102 103 if (!bcmp(sa->sa_inqbuf.product, "C1750A", 6)) { 104 ss->sio.scan_scanner_type = HP_SCANJET_IIC; 105 printf("HP ScanJet IIc"); 106 } 107 if (!bcmp(sa->sa_inqbuf.product, "C2500A", 6)) { 108 ss->sio.scan_scanner_type = HP_SCANJET_IIC; 109 printf("HP ScanJet IIcx"); 110 } 111 if (!bcmp(sa->sa_inqbuf.product, "C1130A", 6)) { 112 ss->sio.scan_scanner_type = HP_SCANJET_IIC; 113 printf("HP ScanJet 4p"); 114 } 115 if (!bcmp(sa->sa_inqbuf.product, "C5110A", 6)) { 116 ss->sio.scan_scanner_type = HP_SCANJET_IIC; 117 printf("HP ScanJet 5p"); 118 } 119 120 SC_DEBUG(ss->sc_periph, SCSIPI_DB1, 121 ("scanjet_attach: scanner_type = %d\n", 122 ss->sio.scan_scanner_type)); 123 124 /* now install special handlers */ 125 ss->special = &scanjet_special; 126 127 /* 128 * populate the scanio struct with legal values 129 */ 130 ss->sio.scan_width = 1200; 131 ss->sio.scan_height = 1200; 132 ss->sio.scan_x_resolution = 100; 133 ss->sio.scan_y_resolution = 100; 134 ss->sio.scan_x_origin = 0; 135 ss->sio.scan_y_origin = 0; 136 ss->sio.scan_brightness = 128; 137 ss->sio.scan_contrast = 128; 138 ss->sio.scan_quality = 100; 139 ss->sio.scan_image_mode = SIM_GRAYSCALE; 140 141 error = scanjet_set_window(ss); 142 if (error) { 143 printf(" set_window failed\n"); 144 return; 145 } 146 error = scanjet_compute_sizes(ss); 147 if (error) { 148 printf(" compute_sizes failed\n"); 149 return; 150 } 151 152 printf("\n"); 153 } 154 155 int 156 scanjet_get_params(ss) 157 struct ss_softc *ss; 158 { 159 160 return (0); 161 } 162 163 /* 164 * check the parameters if the scanjet is capable of fulfilling it 165 * but don't send the command to the scanner in case the user wants 166 * to change parameters by more than one call 167 */ 168 int 169 scanjet_set_params(ss, sio) 170 struct ss_softc *ss; 171 struct scan_io *sio; 172 { 173 int error; 174 175 #if 0 176 /* 177 * if the scanner is triggered, then rewind it 178 */ 179 if (ss->flags & SSF_TRIGGERED) { 180 error = scanjet_rewind_scanner(ss); 181 if (error) 182 return (error); 183 } 184 #endif 185 186 /* size constraints... */ 187 if (sio->scan_width == 0 || 188 sio->scan_x_origin + sio->scan_width > 10200 || /* 8.5" */ 189 sio->scan_height == 0 || 190 sio->scan_y_origin + sio->scan_height > 16800) /* 14" */ 191 return (EINVAL); 192 193 /* resolution (dpi)... */ 194 if (sio->scan_x_resolution < 100 || 195 sio->scan_x_resolution > 400 || 196 sio->scan_y_resolution < 100 || 197 sio->scan_y_resolution > 400) 198 return (EINVAL); 199 200 switch (sio->scan_image_mode) { 201 case SIM_BINARY_MONOCHROME: 202 case SIM_DITHERED_MONOCHROME: 203 case SIM_GRAYSCALE: 204 case SIM_COLOR: 205 break; 206 default: 207 return (EINVAL); 208 } 209 210 /* change ss_softc to the new values, but save ro-variables */ 211 sio->scan_scanner_type = ss->sio.scan_scanner_type; 212 bcopy(sio, &ss->sio, sizeof(struct scan_io)); 213 214 error = scanjet_set_window(ss); 215 if (error) { 216 uprintf("%s: set_window failed\n", ss->sc_dev.dv_xname); 217 return (error); 218 } 219 error = scanjet_compute_sizes(ss); 220 if (error) { 221 uprintf("%s: compute_sizes failed\n", ss->sc_dev.dv_xname); 222 return (error); 223 } 224 225 return (0); 226 } 227 228 /* 229 * trigger the scanner to start a scan operation 230 * this includes sending the mode- and window-data, 231 * and starting the scanner 232 */ 233 int 234 scanjet_trigger_scanner(ss) 235 struct ss_softc *ss; 236 { 237 char escape_codes[20]; 238 int error; 239 240 error = scanjet_set_window(ss); 241 if (error) { 242 uprintf("%s: set_window failed\n", ss->sc_dev.dv_xname); 243 return (error); 244 } 245 error = scanjet_compute_sizes(ss); 246 if (error) { 247 uprintf("%s: compute_sizes failed\n", ss->sc_dev.dv_xname); 248 return (error); 249 } 250 251 /* send "trigger" operation */ 252 strcpy(escape_codes, "\033*f0S"); 253 error = scanjet_ctl_write(ss, escape_codes, strlen(escape_codes)); 254 if (error) { 255 uprintf("%s: trigger_scanner failed\n", ss->sc_dev.dv_xname); 256 return (error); 257 } 258 259 return (0); 260 } 261 262 int 263 scanjet_read(ss, bp) 264 struct ss_softc *ss; 265 struct buf *bp; 266 { 267 struct scsi_rw_scanner cmd; 268 struct scsipi_periph *periph = ss->sc_periph; 269 int error; 270 271 /* 272 * Fill out the scsi command 273 */ 274 bzero(&cmd, sizeof(cmd)); 275 cmd.opcode = READ; 276 277 /* 278 * Handle "fixed-block-mode" tape drives by using the 279 * block count instead of the length. 280 */ 281 _lto3b(bp->b_bcount, cmd.len); 282 283 /* 284 * go ask the adapter to do all this for us 285 */ 286 error = scsipi_command(periph, 287 (struct scsipi_generic *) &cmd, sizeof(cmd), 288 (u_char *) bp->b_data, bp->b_bcount, SCANJET_RETRIES, 100000, bp, 289 XS_CTL_NOSLEEP | XS_CTL_ASYNC | XS_CTL_DATA_IN); 290 if (error) { 291 printf("%s: not queued, error %d\n", ss->sc_dev.dv_xname, 292 error); 293 } else { 294 ss->sio.scan_window_size -= bp->b_bcount; 295 if (ss->sio.scan_window_size < 0) 296 ss->sio.scan_window_size = 0; 297 } 298 299 return (0); 300 } 301 302 303 /* 304 * Do a synchronous write. Used to send control messages. 305 */ 306 int 307 scanjet_ctl_write(ss, buf, size) 308 struct ss_softc *ss; 309 char *buf; 310 u_int size; 311 { 312 struct scsi_rw_scanner cmd; 313 int flags; 314 315 flags = 0; 316 if ((ss->flags & SSF_AUTOCONF) != 0) 317 flags |= XS_CTL_DISCOVERY; 318 319 bzero(&cmd, sizeof(cmd)); 320 cmd.opcode = WRITE; 321 _lto3b(size, cmd.len); 322 return (scsipi_command(ss->sc_periph, 323 (struct scsipi_generic *) &cmd, 324 sizeof(cmd), (u_char *) buf, size, 0, 100000, NULL, 325 flags | XS_CTL_DATA_OUT | XS_CTL_DATA_ONSTACK)); 326 } 327 328 329 /* 330 * Do a synchronous read. Used to read responses to control messages. 331 */ 332 int 333 scanjet_ctl_read(ss, buf, size) 334 struct ss_softc *ss; 335 char *buf; 336 u_int size; 337 { 338 struct scsi_rw_scanner cmd; 339 int flags; 340 341 flags = 0; 342 if ((ss->flags & SSF_AUTOCONF) != 0) 343 flags |= XS_CTL_DISCOVERY; 344 345 bzero(&cmd, sizeof(cmd)); 346 cmd.opcode = READ; 347 _lto3b(size, cmd.len); 348 return (scsipi_command(ss->sc_periph, 349 (struct scsipi_generic *) &cmd, 350 sizeof(cmd), (u_char *) buf, size, 0, 100000, NULL, 351 flags | XS_CTL_DATA_IN | XS_CTL_DATA_ONSTACK)); 352 } 353 354 355 #ifdef SCANJETDEBUG 356 static void show_es(char *es) 357 { 358 char *p = es; 359 while (*p) { 360 if (*p == '\033') 361 printf("[Esc]"); 362 else 363 printf("%c", *p); 364 ++p; 365 } 366 printf("\n"); 367 } 368 #endif 369 370 /* 371 * simulate SCSI_SET_WINDOW for ScanJets 372 */ 373 int 374 scanjet_set_window(ss) 375 struct ss_softc *ss; 376 { 377 char escape_codes[128], *p; 378 379 p = escape_codes; 380 381 p += sprintf(p, "\033*f%ldP", ss->sio.scan_width / 4); 382 p += sprintf(p, "\033*f%ldQ", ss->sio.scan_height / 4); 383 p += sprintf(p, "\033*f%ldX", ss->sio.scan_x_origin / 4); 384 p += sprintf(p, "\033*f%ldY", ss->sio.scan_y_origin / 4); 385 p += sprintf(p, "\033*a%dR", ss->sio.scan_x_resolution); 386 p += sprintf(p, "\033*a%dS", ss->sio.scan_y_resolution); 387 388 switch (ss->sio.scan_image_mode) { 389 case SIM_BINARY_MONOCHROME: 390 ss->sio.scan_bits_per_pixel = 1; 391 /* use "line art" mode */ 392 strcpy(p, "\033*a0T"); 393 p += strlen(p); 394 /* make image data be "min-is-white ala PBM */ 395 strcpy(p, "\033*a0I"); 396 p += strlen(p); 397 break; 398 case SIM_DITHERED_MONOCHROME: 399 ss->sio.scan_bits_per_pixel = 1; 400 /* use dithered mode */ 401 strcpy(p, "\033*a3T"); 402 p += strlen(p); 403 /* make image data be "min-is-white ala PBM */ 404 strcpy(p, "\033*a0I"); 405 p += strlen(p); 406 break; 407 case SIM_GRAYSCALE: 408 ss->sio.scan_bits_per_pixel = 8; 409 /* use grayscale mode */ 410 strcpy(p, "\033*a4T"); 411 p += strlen(p); 412 /* make image data be "min-is-black ala PGM */ 413 strcpy(p, "\033*a1I"); 414 p += strlen(p); 415 break; 416 case SIM_COLOR: 417 ss->sio.scan_bits_per_pixel = 24; 418 /* use RGB color mode */ 419 strcpy(p, "\033*a5T"); 420 p += strlen(p); 421 /* make image data be "min-is-black ala PPM */ 422 strcpy(p, "\033*a1I"); 423 p += strlen(p); 424 /* use pass-through matrix (disable NTSC) */ 425 strcpy(p, "\033*u2T"); 426 p += strlen(p); 427 break; 428 } 429 430 p += sprintf(p, "\033*a%dG", ss->sio.scan_bits_per_pixel); 431 p += sprintf(p, "\033*a%dL", (int)(ss->sio.scan_brightness) - 128); 432 p += sprintf(p, "\033*a%dK", (int)(ss->sio.scan_contrast) - 128); 433 434 return (scanjet_ctl_write(ss, escape_codes, p - escape_codes)); 435 } 436 437 /* atoi() is from /sys/arch/amiga/dev/ite.c 438 and is only used in scanjet_compute_sizes */ 439 440 __inline static int 441 atoi(cp) 442 const char *cp; 443 { 444 int n; 445 446 for (n = 0; *cp && *cp >= '0' && *cp <= '9'; cp++) 447 n = n * 10 + *cp - '0'; 448 449 return (n); 450 } 451 452 int 453 scanjet_compute_sizes(ss) 454 struct ss_softc *ss; 455 { 456 int error; 457 static const char *wfail = "%s: interrogate write failed\n"; 458 static const char *rfail = "%s: interrogate read failed\n"; 459 static const char *dfail = "%s: bad data returned\n"; 460 char escape_codes[20]; 461 char response[20]; 462 char *p; 463 464 /* 465 * Deal with the fact that the HP ScanJet IIc uses 1/300" not 1/1200" 466 * as its base unit of measurement. PINT uses 1/1200" (yes I know 467 * ScanJet II's use decipoints as well but 1200 % 720 != 0) 468 */ 469 ss->sio.scan_width = (ss->sio.scan_width + 3) & 0xfffffffc; 470 ss->sio.scan_height = (ss->sio.scan_height + 3) & 0xfffffffc; 471 472 switch (ss->sio.scan_image_mode) { 473 case SIM_BINARY_MONOCHROME: 474 case SIM_DITHERED_MONOCHROME: 475 strcpy(escape_codes, "\033*s1025E"); /* bytes wide */ 476 break; 477 case SIM_GRAYSCALE: 478 case SIM_COLOR: 479 strcpy(escape_codes, "\033*s1024E"); /* pixels wide */ 480 break; 481 } 482 error = scanjet_ctl_write(ss, escape_codes, strlen(escape_codes)); 483 if (error) { 484 uprintf(wfail, ss->sc_dev.dv_xname); 485 return (error); 486 } 487 error = scanjet_ctl_read(ss, response, 20); 488 if (error) { 489 uprintf(rfail, ss->sc_dev.dv_xname); 490 return (error); 491 } 492 p = strchr(response, 'd'); 493 if (p == 0) { 494 uprintf(dfail, ss->sc_dev.dv_xname); 495 return (EIO); 496 } 497 ss->sio.scan_pixels_per_line = atoi(p + 1); 498 if (ss->sio.scan_image_mode < SIM_GRAYSCALE) 499 ss->sio.scan_pixels_per_line *= 8; 500 501 strcpy(escape_codes, "\033*s1026E"); /* pixels high */ 502 error = scanjet_ctl_write(ss, escape_codes, strlen(escape_codes)); 503 if (error) { 504 uprintf(wfail, ss->sc_dev.dv_xname); 505 return (error); 506 } 507 error = scanjet_ctl_read(ss, response, 20); 508 if (error) { 509 uprintf(rfail, ss->sc_dev.dv_xname); 510 return (error); 511 } 512 p = strchr(response, 'd'); 513 if (p == 0) { 514 uprintf(dfail, ss->sc_dev.dv_xname); 515 return (EIO); 516 } 517 ss->sio.scan_lines = atoi(p + 1); 518 519 ss->sio.scan_window_size = ss->sio.scan_lines * 520 ((ss->sio.scan_pixels_per_line * ss->sio.scan_bits_per_pixel) / 8); 521 522 return (0); 523 } 524
Indexes created Sat Sep 27 22:09:54 GMT 2025