1 1.43 mlelstv /* $NetBSD: ss_mustek.c,v 1.43 2016/11/20 15:37:19 mlelstv Exp $ */ 2 1.1 mycroft 3 1.1 mycroft /* 4 1.1 mycroft * Copyright (c) 1995 Joachim Koenig-Baltes. All rights reserved. 5 1.1 mycroft * 6 1.1 mycroft * Redistribution and use in source and binary forms, with or without 7 1.1 mycroft * modification, are permitted provided that the following conditions 8 1.1 mycroft * are met: 9 1.1 mycroft * 1. Redistributions of source code must retain the above copyright 10 1.1 mycroft * notice, this list of conditions and the following disclaimer. 11 1.1 mycroft * 2. Redistributions in binary form must reproduce the above copyright 12 1.1 mycroft * notice, this list of conditions and the following disclaimer in the 13 1.1 mycroft * documentation and/or other materials provided with the distribution. 14 1.1 mycroft * 3. All advertising materials mentioning features or use of this software 15 1.1 mycroft * must display the following acknowledgement: 16 1.1 mycroft * This product includes software developed by Joachim Koenig-Baltes. 17 1.1 mycroft * 4. The name of the author may not be used to endorse or promote products 18 1.1 mycroft * derived from this software without specific prior written permission. 19 1.1 mycroft * 20 1.1 mycroft * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 21 1.1 mycroft * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 22 1.1 mycroft * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 23 1.1 mycroft * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 24 1.1 mycroft * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 25 1.1 mycroft * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 26 1.1 mycroft * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 27 1.1 mycroft * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 28 1.1 mycroft * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 29 1.1 mycroft * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30 1.1 mycroft */ 31 1.1 mycroft 32 1.1 mycroft /* 33 1.1 mycroft * special driver for MUSTEK flatbed scanners MFS 06000CX and MFS 12000CX 34 1.1 mycroft * these scanners come with their own scsi card, containing an NCR53C400 35 1.1 mycroft * SCSI controller chip. I'm in the progress of writing a driver for this 36 1.1 mycroft * card to work under NetBSD-current. I've hooked it up to a Seagate ST01 37 1.1 mycroft * hostadapter in the meantime, giving 350KB/sec for higher resolutions! 38 1.1 mycroft * 39 1.1 mycroft * I tried to connect it to my Adaptec 1542B, but with no success. It seems, 40 1.1 mycroft * it does not like synchronous negotiation between Hostadapter and other 41 1.1 mycroft * targets, but I could not turn this off for the 1542B. 42 1.1 mycroft * 43 1.1 mycroft * There is also an other reason why you would not like to connect it to your 44 1.1 mycroft * favourite SCSI host adapter: The Mustek DOES NOT DISCONNECT. It will block 45 1.1 mycroft * other traffic from the bus while a transfer is active. 46 1.1 mycroft */ 47 1.17 lukem 48 1.17 lukem #include <sys/cdefs.h> 49 1.43 mlelstv __KERNEL_RCSID(0, "$NetBSD: ss_mustek.c,v 1.43 2016/11/20 15:37:19 mlelstv Exp $"); 50 1.1 mycroft 51 1.1 mycroft #include <sys/param.h> 52 1.1 mycroft #include <sys/kernel.h> 53 1.1 mycroft #include <sys/systm.h> 54 1.1 mycroft #include <sys/fcntl.h> 55 1.1 mycroft #include <sys/errno.h> 56 1.1 mycroft #include <sys/ioctl.h> 57 1.1 mycroft #include <sys/malloc.h> 58 1.1 mycroft #include <sys/buf.h> 59 1.27 yamt #include <sys/bufq.h> 60 1.1 mycroft #include <sys/proc.h> 61 1.1 mycroft #include <sys/device.h> 62 1.1 mycroft #include <sys/conf.h> /* for cdevsw */ 63 1.1 mycroft #include <sys/scanio.h> 64 1.1 mycroft 65 1.25 mycroft #include <dev/scsipi/scsipi_all.h> 66 1.7 bouyer #include <dev/scsipi/scsi_all.h> 67 1.7 bouyer #include <dev/scsipi/scsi_scanner.h> 68 1.25 mycroft #include <dev/scsipi/scsipiconf.h> 69 1.21 bouyer #include <dev/scsipi/scsipi_base.h> 70 1.7 bouyer #include <dev/scsipi/ssvar.h> 71 1.7 bouyer #include <dev/scsipi/ss_mustek.h> 72 1.1 mycroft 73 1.1 mycroft #define MUSTEK_RETRIES 4 74 1.1 mycroft 75 1.19 thorpej static int mustek_get_params(struct ss_softc *); 76 1.19 thorpej static int mustek_set_params(struct ss_softc *, struct scan_io *); 77 1.19 thorpej static int mustek_trigger_scanner(struct ss_softc *); 78 1.19 thorpej static void mustek_minphys(struct ss_softc *, struct buf *); 79 1.19 thorpej static int mustek_read(struct ss_softc *, struct buf *); 80 1.19 thorpej static int mustek_rewind_scanner(struct ss_softc *); 81 1.1 mycroft 82 1.1 mycroft /* only used internally */ 83 1.19 thorpej static int mustek_get_status(struct ss_softc *, int, int); 84 1.19 thorpej static void mustek_compute_sizes(struct ss_softc *); 85 1.1 mycroft 86 1.41 mbalmer /* structure for the special handlers */ 87 1.19 thorpej static struct ss_special mustek_special = { 88 1.1 mycroft mustek_set_params, 89 1.1 mycroft mustek_trigger_scanner, 90 1.1 mycroft mustek_get_params, 91 1.1 mycroft mustek_minphys, 92 1.1 mycroft mustek_read, 93 1.1 mycroft mustek_rewind_scanner, 94 1.1 mycroft NULL, /* no adf support right now */ 95 1.1 mycroft NULL /* no adf support right now */ 96 1.1 mycroft }; 97 1.1 mycroft 98 1.41 mbalmer /* mustek_attach: attach special functions to ss */ 99 1.1 mycroft void 100 1.19 thorpej mustek_attach(struct ss_softc *ss, struct scsipibus_attach_args *sa) 101 1.1 mycroft { 102 1.13 bouyer #ifdef SCSIPI_DEBUG 103 1.13 bouyer struct scsipi_periph *periph = sa->sa_periph; 104 1.3 christos #endif 105 1.1 mycroft 106 1.13 bouyer SC_DEBUG(periph, SCSIPI_DB1, ("mustek_attach: start\n")); 107 1.1 mycroft ss->sio.scan_scanner_type = 0; 108 1.1 mycroft 109 1.41 mbalmer printf("\n%s: ", device_xname(ss->sc_dev)); 110 1.3 christos 111 1.1 mycroft /* first, check the model which determines resolutions */ 112 1.16 thorpej if (!memcmp(sa->sa_inqbuf.product, "MFS-06000CX", 11)) { 113 1.1 mycroft ss->sio.scan_scanner_type = MUSTEK_06000CX; 114 1.41 mbalmer printf("Mustek 6000CX Flatbed 3-pass color scanner, " 115 1.41 mbalmer "3 - 600 dpi\n"); 116 1.1 mycroft } 117 1.16 thorpej if (!memcmp(sa->sa_inqbuf.product, "MFS-12000CX", 11)) { 118 1.1 mycroft ss->sio.scan_scanner_type = MUSTEK_12000CX; 119 1.41 mbalmer printf("Mustek 12000CX Flatbed 3-pass color scanner, " 120 1.41 mbalmer "6 - 1200 dpi\n"); 121 1.1 mycroft } 122 1.1 mycroft 123 1.13 bouyer SC_DEBUG(periph, SCSIPI_DB1, ("mustek_attach: scanner_type = %d\n", 124 1.1 mycroft ss->sio.scan_scanner_type)); 125 1.1 mycroft 126 1.1 mycroft /* install special handlers */ 127 1.1 mycroft ss->special = &mustek_special; 128 1.1 mycroft 129 1.1 mycroft /* 130 1.1 mycroft * populate the scanio struct with legal values 131 1.1 mycroft * the default should come from user space 132 1.1 mycroft */ 133 1.1 mycroft ss->sio.scan_width = 1200; 134 1.1 mycroft ss->sio.scan_height = 1200; 135 1.1 mycroft ss->sio.scan_x_resolution = 99; 136 1.1 mycroft ss->sio.scan_y_resolution = 99; 137 1.1 mycroft ss->sio.scan_x_origin = 0; 138 1.1 mycroft ss->sio.scan_y_origin = 0; 139 1.1 mycroft ss->sio.scan_brightness = 100; 140 1.1 mycroft ss->sio.scan_contrast = 100; 141 1.1 mycroft ss->sio.scan_quality = 100; 142 1.1 mycroft ss->sio.scan_image_mode = SIM_GRAYSCALE; 143 1.1 mycroft 144 1.1 mycroft mustek_compute_sizes(ss); 145 1.1 mycroft } 146 1.1 mycroft 147 1.19 thorpej static int 148 1.35 christos mustek_get_params (struct ss_softc *ss) 149 1.1 mycroft { 150 1.41 mbalmer return 0; 151 1.1 mycroft } 152 1.1 mycroft 153 1.1 mycroft /* 154 1.1 mycroft * check the parameters if the mustek is capable of fulfilling it 155 1.1 mycroft * but don't send the command to the scanner in case the user wants 156 1.1 mycroft * to change parameters by more than one call 157 1.1 mycroft */ 158 1.19 thorpej static int 159 1.19 thorpej mustek_set_params(struct ss_softc *ss, struct scan_io *sio) 160 1.1 mycroft { 161 1.1 mycroft int error; 162 1.1 mycroft 163 1.41 mbalmer /* if the scanner is triggered, then rewind it */ 164 1.1 mycroft if (ss->flags & SSF_TRIGGERED) { 165 1.1 mycroft error = mustek_rewind_scanner(ss); 166 1.1 mycroft if (error) 167 1.41 mbalmer return error; 168 1.1 mycroft } 169 1.1 mycroft 170 1.1 mycroft /* size constraints: 8.5" horizontally and 14" vertically */ 171 1.1 mycroft #ifdef MUSTEK_INCH_SPEC 172 1.1 mycroft /* sizes must be a multiple of 1/8" */ 173 1.1 mycroft sio->scan_x_origin -= sio->scan_x_origin % 150; 174 1.1 mycroft sio->scan_y_origin -= sio->scan_y_origin % 150; 175 1.1 mycroft sio->scan_width -= sio->scan_width % 150; 176 1.1 mycroft sio->scan_height -= sio->scan_height % 150; 177 1.1 mycroft #endif 178 1.1 mycroft if (sio->scan_width == 0 || 179 1.1 mycroft sio->scan_x_origin + sio->scan_width > 10200 || 180 1.1 mycroft sio->scan_height == 0 || 181 1.1 mycroft sio->scan_y_origin + sio->scan_height > 16800) 182 1.41 mbalmer return EINVAL; 183 1.1 mycroft 184 1.1 mycroft /* 185 1.1 mycroft * for now, only realize the values for the MUSTEK_06000CX 186 1.1 mycroft * in the future, values for the MUSTEK_12000CX will be implemented 187 1.1 mycroft */ 188 1.1 mycroft 189 1.1 mycroft /* 190 1.1 mycroft * resolution (dpi) must be <= 300 and a multiple of 3 or 191 1.1 mycroft * between 300 and 600 and a multiple of 30 192 1.1 mycroft */ 193 1.1 mycroft sio->scan_x_resolution -= sio->scan_x_resolution <= 300 ? 194 1.1 mycroft sio->scan_x_resolution % 3 : sio->scan_x_resolution % 30; 195 1.1 mycroft sio->scan_y_resolution -= sio->scan_y_resolution <= 300 ? 196 1.1 mycroft sio->scan_y_resolution % 3 : sio->scan_y_resolution % 30; 197 1.1 mycroft if (sio->scan_x_resolution < 3 || sio->scan_x_resolution > 600 || 198 1.1 mycroft sio->scan_x_resolution != sio->scan_y_resolution) 199 1.41 mbalmer return EINVAL; 200 1.1 mycroft 201 1.1 mycroft /* assume brightness values are between 64 and 136 in steps of 3 */ 202 1.1 mycroft sio->scan_brightness -= (sio->scan_brightness - 64) % 3; 203 1.1 mycroft if (sio->scan_brightness < 64 || sio->scan_brightness > 136) 204 1.41 mbalmer return EINVAL; 205 1.1 mycroft 206 1.1 mycroft /* contrast values must be between 16 and 184 in steps of 7 */ 207 1.1 mycroft sio->scan_contrast -= (sio->scan_contrast - 16) % 7; 208 1.1 mycroft if (sio->scan_contrast < 16 || sio->scan_contrast > 184) 209 1.41 mbalmer return EINVAL; 210 1.1 mycroft 211 1.1 mycroft /* 212 1.1 mycroft * velocity: between 0 (fast) and 4 (slow) which will be mapped 213 1.1 mycroft * to 100% = 4, 80% = 3, 60% = 2, 40% = 1, 20% = 0 214 1.1 mycroft * must be a multiple of 20 215 1.1 mycroft */ 216 1.1 mycroft sio->scan_quality -= sio->scan_quality % 20; 217 1.1 mycroft if (sio->scan_quality < 20 || sio->scan_quality > 100) 218 1.41 mbalmer return EINVAL; 219 1.1 mycroft 220 1.1 mycroft switch (sio->scan_image_mode) { 221 1.1 mycroft case SIM_BINARY_MONOCHROME: 222 1.1 mycroft case SIM_DITHERED_MONOCHROME: 223 1.1 mycroft case SIM_GRAYSCALE: 224 1.1 mycroft case SIM_RED: 225 1.1 mycroft case SIM_GREEN: 226 1.1 mycroft case SIM_BLUE: 227 1.1 mycroft break; 228 1.1 mycroft default: 229 1.41 mbalmer return EINVAL; 230 1.1 mycroft } 231 1.1 mycroft 232 1.1 mycroft /* change ss_softc to the new values, but save ro-variables */ 233 1.1 mycroft sio->scan_scanner_type = ss->sio.scan_scanner_type; 234 1.15 thorpej memcpy(&ss->sio, sio, sizeof(struct scan_io)); 235 1.1 mycroft 236 1.1 mycroft mustek_compute_sizes(ss); 237 1.1 mycroft 238 1.41 mbalmer return 0; 239 1.1 mycroft } 240 1.1 mycroft 241 1.1 mycroft /* 242 1.1 mycroft * trim the requested transfer to a multiple of the line size 243 1.1 mycroft * this is called only from ssread() which guarantees, scanner is triggered 244 1.1 mycroft * In the future, it will trim the transfer to not read to much at a time 245 1.1 mycroft * because the mustek cannot disconnect. It will be calculated by the 246 1.1 mycroft * resolution, the velocity and the number of bytes per line. 247 1.1 mycroft */ 248 1.19 thorpej static void 249 1.19 thorpej mustek_minphys(struct ss_softc *ss, struct buf *bp) 250 1.1 mycroft { 251 1.13 bouyer #ifdef SCSIPI_DEBUG 252 1.13 bouyer struct scsipi_periph *periph = ss->sc_periph; 253 1.3 christos #endif 254 1.1 mycroft 255 1.26 bouyer SC_DEBUG(periph, SCSIPI_DB1, ("mustek_minphys: before: %d\n", 256 1.1 mycroft bp->b_bcount)); 257 1.1 mycroft bp->b_bcount -= bp->b_bcount % 258 1.1 mycroft ((ss->sio.scan_pixels_per_line * ss->sio.scan_bits_per_pixel) / 8); 259 1.26 bouyer SC_DEBUG(periph, SCSIPI_DB1, ("mustek_minphys: after: %d\n", 260 1.1 mycroft bp->b_bcount)); 261 1.1 mycroft } 262 1.1 mycroft 263 1.1 mycroft /* 264 1.1 mycroft * trigger the scanner to start a scan operation 265 1.1 mycroft * this includes sending the mode- and window-data, starting the scanner 266 1.1 mycroft * and getting the image size info 267 1.1 mycroft */ 268 1.19 thorpej static int 269 1.19 thorpej mustek_trigger_scanner(struct ss_softc *ss) 270 1.1 mycroft { 271 1.1 mycroft struct mustek_mode_select_cmd mode_cmd; 272 1.1 mycroft struct mustek_mode_select_data mode_data; 273 1.1 mycroft struct mustek_set_window_cmd window_cmd; 274 1.1 mycroft struct mustek_set_window_data window_data; 275 1.1 mycroft struct mustek_start_scan_cmd start_scan_cmd; 276 1.13 bouyer struct scsipi_periph *periph = ss->sc_periph; 277 1.1 mycroft int pixel_tlx, pixel_tly, pixel_brx, pixel_bry, paperlength; 278 1.1 mycroft int error; 279 1.1 mycroft 280 1.1 mycroft mustek_compute_sizes(ss); 281 1.1 mycroft 282 1.13 bouyer SC_DEBUG(periph, SCSIPI_DB1, ("mustek_trigger_scanner\n")); 283 1.1 mycroft 284 1.41 mbalmer /* set the window params and send the scsi command */ 285 1.14 thorpej memset(&window_cmd, 0, sizeof(window_cmd)); 286 1.1 mycroft window_cmd.opcode = MUSTEK_SET_WINDOW; 287 1.1 mycroft window_cmd.length = sizeof(window_data); 288 1.1 mycroft 289 1.14 thorpej memset(&window_data, 0, sizeof(window_data)); 290 1.2 mycroft window_data.frame.header = MUSTEK_LINEART_BACKGROUND | MUSTEK_UNIT_SPEC; 291 1.1 mycroft #ifdef MUSTEK_INCH_SPEC 292 1.1 mycroft /* the positional values are all 1 byte because 256 / 8 = 32" */ 293 1.2 mycroft pixel_tlx = ss->sio.scan_x_origin / 150; 294 1.2 mycroft pixel_tly = ss->sio.scan_y_origin / 150; 295 1.2 mycroft pixel_brx = pixel_tlx + ss->sio.scan_width / 150; 296 1.2 mycroft pixel_bry = pixel_tly + ss->sio.scan_height / 150; 297 1.1 mycroft #else 298 1.1 mycroft pixel_tlx = (ss->sio.scan_x_origin * ss->sio.scan_x_resolution) / 1200; 299 1.1 mycroft pixel_tly = (ss->sio.scan_y_origin * ss->sio.scan_y_resolution) / 1200; 300 1.1 mycroft pixel_brx = pixel_tlx + 301 1.1 mycroft (ss->sio.scan_width * ss->sio.scan_x_resolution) / 1200; 302 1.1 mycroft pixel_bry = pixel_tly + 303 1.1 mycroft (ss->sio.scan_height * ss->sio.scan_y_resolution) / 1200; 304 1.1 mycroft #endif 305 1.2 mycroft _lto2l(pixel_tlx, window_data.frame.tl_x); 306 1.2 mycroft _lto2l(pixel_tly, window_data.frame.tl_y); 307 1.2 mycroft _lto2l(pixel_brx, window_data.frame.br_x); 308 1.2 mycroft _lto2l(pixel_bry, window_data.frame.br_y); 309 1.1 mycroft 310 1.1 mycroft #if MUSTEK_WINDOWS >= 1 311 1.2 mycroft window_data.window1 = window_data.frame; 312 1.2 mycroft window_data.window1.header = MUSTEK_WINDOW_MASK | MUSTEK_UNIT_SPEC; 313 1.1 mycroft #endif 314 1.1 mycroft 315 1.1 mycroft /* send the set window command to the scanner */ 316 1.13 bouyer SC_DEBUG(periph, SCSIPI_DB1, ("mustek_set_parms: set_window\n")); 317 1.24 mycroft error = scsipi_command(periph, (void *)&window_cmd, sizeof(window_cmd), 318 1.24 mycroft (void *)&window_data, sizeof(window_data), 319 1.39 rmind MUSTEK_RETRIES, 5000, NULL, XS_CTL_DATA_OUT); 320 1.1 mycroft if (error) 321 1.41 mbalmer return error; 322 1.1 mycroft 323 1.1 mycroft /* 324 1.1 mycroft * do what it takes to actualize the mode 325 1.1 mycroft */ 326 1.14 thorpej memset(&mode_cmd, 0, sizeof(mode_cmd)); 327 1.1 mycroft mode_cmd.opcode = MUSTEK_MODE_SELECT; 328 1.2 mycroft _lto2b(sizeof(mode_data), mode_cmd.length); 329 1.1 mycroft 330 1.14 thorpej memset(&mode_data, 0, sizeof(mode_data)); 331 1.1 mycroft mode_data.mode = 332 1.1 mycroft MUSTEK_MODE_MASK | MUSTEK_HT_PATTERN_BUILTIN | MUSTEK_UNIT_SPEC; 333 1.41 mbalmer if (ss->sio.scan_x_resolution <= 300) 334 1.1 mycroft mode_data.resolution = ss->sio.scan_x_resolution / 3; 335 1.41 mbalmer else 336 1.1 mycroft /* 337 1.1 mycroft * the resolution values is computed by modulo 100, but not 338 1.1 mycroft * for 600dpi, where the value is 100 (a bit tricky, but ...) 339 1.1 mycroft */ 340 1.1 mycroft mode_data.resolution = 341 1.1 mycroft ((ss->sio.scan_x_resolution - 1) % 100) + 1; 342 1.41 mbalmer 343 1.1 mycroft mode_data.brightness = (ss->sio.scan_brightness - 64) / 3; 344 1.1 mycroft mode_data.contrast = (ss->sio.scan_contrast - 16) / 7; 345 1.1 mycroft mode_data.grain = 0; 346 1.1 mycroft mode_data.velocity = ss->sio.scan_quality / 20 - 1; 347 1.1 mycroft #ifdef MUSTEK_INCH_SPEC 348 1.2 mycroft paperlength = 14 * 8; /* 14" */ 349 1.1 mycroft #else 350 1.2 mycroft paperlength = 14 * ss->sio.scan_y_resolution; /* 14" */ 351 1.1 mycroft #endif 352 1.2 mycroft _lto2l(paperlength, mode_data.paperlength); 353 1.1 mycroft 354 1.13 bouyer SC_DEBUG(periph, SCSIPI_DB1, ("mustek_trigger_scanner: mode_select\n")); 355 1.1 mycroft /* send the command to the scanner */ 356 1.24 mycroft error = scsipi_command(periph, (void *)&mode_cmd, sizeof(mode_cmd), 357 1.24 mycroft (void *)&mode_data, sizeof(mode_data), 358 1.39 rmind MUSTEK_RETRIES, 5000, NULL, XS_CTL_DATA_OUT); 359 1.1 mycroft if (error) 360 1.41 mbalmer return error; 361 1.1 mycroft 362 1.1 mycroft /* 363 1.1 mycroft * now construct and send the start command 364 1.1 mycroft */ 365 1.14 thorpej memset(&start_scan_cmd, 0, sizeof(start_scan_cmd)); 366 1.1 mycroft start_scan_cmd.opcode = MUSTEK_START_STOP; 367 1.1 mycroft start_scan_cmd.mode = MUSTEK_SCAN_START; 368 1.1 mycroft if (ss->sio.scan_x_resolution <= 300) 369 1.1 mycroft start_scan_cmd.mode |= MUSTEK_RES_STEP_1; 370 1.1 mycroft else 371 1.1 mycroft start_scan_cmd.mode |= MUSTEK_RES_STEP_10; 372 1.1 mycroft switch (ss->sio.scan_image_mode) { 373 1.1 mycroft case SIM_BINARY_MONOCHROME: 374 1.1 mycroft case SIM_DITHERED_MONOCHROME: 375 1.1 mycroft start_scan_cmd.mode |= MUSTEK_BIT_MODE | MUSTEK_GRAY_FILTER; 376 1.1 mycroft break; 377 1.1 mycroft case SIM_GRAYSCALE: 378 1.1 mycroft start_scan_cmd.mode |= MUSTEK_GRAY_MODE | MUSTEK_GRAY_FILTER; 379 1.1 mycroft break; 380 1.1 mycroft case SIM_RED: 381 1.1 mycroft start_scan_cmd.mode |= MUSTEK_GRAY_MODE | MUSTEK_RED_FILTER; 382 1.1 mycroft break; 383 1.1 mycroft case SIM_GREEN: 384 1.1 mycroft start_scan_cmd.mode |= MUSTEK_GRAY_MODE | MUSTEK_GREEN_FILTER; 385 1.1 mycroft break; 386 1.1 mycroft case SIM_BLUE: 387 1.1 mycroft start_scan_cmd.mode |= MUSTEK_GRAY_MODE | MUSTEK_BLUE_FILTER; 388 1.1 mycroft break; 389 1.1 mycroft } 390 1.1 mycroft 391 1.1 mycroft /* send the command to the scanner */ 392 1.13 bouyer SC_DEBUG(periph, SCSIPI_DB1, ("mustek_trigger_scanner: start_scan\n")); 393 1.23 mycroft error = scsipi_command(periph, 394 1.41 mbalmer (void *)&start_scan_cmd, sizeof(start_scan_cmd), NULL, 0, 395 1.1 mycroft MUSTEK_RETRIES, 5000, NULL, 0); 396 1.1 mycroft if (error) 397 1.41 mbalmer return error; 398 1.1 mycroft 399 1.1 mycroft /* 400 1.1 mycroft * now check if scanner ready this time with update of size info 401 1.1 mycroft * we wait here so that if the user issues a read directly afterwards, 402 1.1 mycroft * the scanner will respond directly (otherwise we had to sleep with 403 1.1 mycroft * a buffer locked in memory) 404 1.1 mycroft */ 405 1.13 bouyer SC_DEBUG(periph, SCSIPI_DB1, ("mustek_trigger_scanner: get_status\n")); 406 1.1 mycroft error = mustek_get_status(ss, 60, 1); 407 1.1 mycroft if (error) 408 1.41 mbalmer return error; 409 1.1 mycroft 410 1.41 mbalmer return 0; 411 1.1 mycroft } 412 1.1 mycroft 413 1.41 mbalmer /* stop a scan operation in progress */ 414 1.19 thorpej static int 415 1.19 thorpej mustek_rewind_scanner(struct ss_softc *ss) 416 1.1 mycroft { 417 1.1 mycroft struct mustek_start_scan_cmd cmd; 418 1.13 bouyer struct scsipi_periph *periph = ss->sc_periph; 419 1.1 mycroft int error; 420 1.1 mycroft 421 1.1 mycroft if (ss->sio.scan_window_size != 0) { 422 1.1 mycroft /* 423 1.1 mycroft * only if not all data has been read, the scanner has to be 424 1.1 mycroft * stopped 425 1.1 mycroft */ 426 1.14 thorpej memset(&cmd, 0, sizeof(cmd)); 427 1.1 mycroft cmd.opcode = MUSTEK_START_STOP; 428 1.1 mycroft cmd.mode = MUSTEK_SCAN_STOP; 429 1.1 mycroft 430 1.1 mycroft /* send the command to the scanner */ 431 1.13 bouyer SC_DEBUG(periph, SCSIPI_DB1, 432 1.1 mycroft ("mustek_rewind_scanner: stop_scan\n")); 433 1.23 mycroft error = scsipi_command(periph, 434 1.24 mycroft (void *)&cmd, sizeof(cmd), 435 1.24 mycroft NULL, 0, 436 1.24 mycroft MUSTEK_RETRIES, 5000, NULL, 0); 437 1.1 mycroft if (error) 438 1.41 mbalmer return error; 439 1.1 mycroft } 440 1.1 mycroft 441 1.13 bouyer SC_DEBUG(periph, SCSIPI_DB1, ("mustek_rewind_scanner: end\n")); 442 1.1 mycroft 443 1.41 mbalmer return 0; 444 1.1 mycroft } 445 1.1 mycroft 446 1.41 mbalmer /* read the requested number of bytes/lines from the scanner */ 447 1.19 thorpej static int 448 1.19 thorpej mustek_read(struct ss_softc *ss, struct buf *bp) 449 1.1 mycroft { 450 1.1 mycroft struct mustek_read_cmd cmd; 451 1.21 bouyer struct scsipi_xfer *xs; 452 1.13 bouyer struct scsipi_periph *periph = ss->sc_periph; 453 1.30 reinoud u_long lines_to_read; 454 1.42 martin int error __diagused; 455 1.1 mycroft 456 1.13 bouyer SC_DEBUG(periph, SCSIPI_DB1, ("mustek_read: start\n")); 457 1.1 mycroft 458 1.14 thorpej memset(&cmd, 0, sizeof(cmd)); 459 1.1 mycroft cmd.opcode = MUSTEK_READ; 460 1.1 mycroft 461 1.1 mycroft /* instead of the bytes, the mustek wants the number of lines */ 462 1.1 mycroft lines_to_read = bp->b_bcount / 463 1.1 mycroft ((ss->sio.scan_pixels_per_line * ss->sio.scan_bits_per_pixel) / 8); 464 1.13 bouyer SC_DEBUG(periph, SCSIPI_DB1, ("mustek_read: read %ld lines\n", 465 1.1 mycroft lines_to_read)); 466 1.2 mycroft _lto3b(lines_to_read, cmd.length); 467 1.1 mycroft 468 1.41 mbalmer /* go ask the adapter to do all this for us */ 469 1.43 mlelstv xs = scsipi_make_xs_locked(periph, 470 1.8 enami (struct scsipi_generic *) &cmd, sizeof(cmd), 471 1.30 reinoud (u_char *) bp->b_data, bp->b_bcount, 472 1.21 bouyer MUSTEK_RETRIES, 10000, bp, 473 1.11 thorpej XS_CTL_NOSLEEP | XS_CTL_ASYNC | XS_CTL_DATA_IN); 474 1.21 bouyer if (xs == NULL) { 475 1.21 bouyer /* 476 1.21 bouyer * out of memory. Keep this buffer in the queue, and 477 1.21 bouyer * retry later. 478 1.21 bouyer */ 479 1.21 bouyer callout_reset(&ss->sc_callout, hz / 2, ssrestart, 480 1.21 bouyer periph); 481 1.41 mbalmer return 0; 482 1.1 mycroft } 483 1.20 bouyer #ifdef DIAGNOSTIC 484 1.38 yamt if (bufq_get(ss->buf_queue) != bp) 485 1.20 bouyer panic("ssstart(): dequeued wrong buf"); 486 1.20 bouyer #else 487 1.38 yamt bufq_get(ss->buf_queue); 488 1.20 bouyer #endif 489 1.22 mycroft error = scsipi_execute_xs(xs); 490 1.21 bouyer /* with a scsipi_xfer preallocated, scsipi_command can't fail */ 491 1.21 bouyer KASSERT(error == 0); 492 1.21 bouyer ss->sio.scan_lines -= lines_to_read; 493 1.33 christos #if 0 494 1.21 bouyer if (ss->sio.scan_lines < 0) 495 1.21 bouyer ss->sio.scan_lines = 0; 496 1.33 christos #endif 497 1.21 bouyer ss->sio.scan_window_size -= bp->b_bcount; 498 1.33 christos #if 0 499 1.21 bouyer if (ss->sio.scan_window_size < 0) 500 1.21 bouyer ss->sio.scan_window_size = 0; 501 1.33 christos #endif 502 1.41 mbalmer return 0; 503 1.1 mycroft } 504 1.1 mycroft 505 1.1 mycroft /* 506 1.1 mycroft * check if the scanner is ready to take commands 507 1.1 mycroft * wait timeout seconds and try only every second 508 1.1 mycroft * if update, then update picture size info 509 1.1 mycroft * 510 1.1 mycroft * returns EBUSY if scanner not ready 511 1.1 mycroft */ 512 1.19 thorpej static int 513 1.19 thorpej mustek_get_status(struct ss_softc *ss, int timeout, int update) 514 1.1 mycroft { 515 1.1 mycroft struct mustek_get_status_cmd cmd; 516 1.1 mycroft struct mustek_get_status_data data; 517 1.13 bouyer struct scsipi_periph *periph = ss->sc_periph; 518 1.1 mycroft int error, lines, bytes_per_line; 519 1.1 mycroft 520 1.14 thorpej memset(&cmd, 0, sizeof(cmd)); 521 1.1 mycroft cmd.opcode = MUSTEK_GET_STATUS; 522 1.1 mycroft cmd.length = sizeof(data); 523 1.1 mycroft 524 1.1 mycroft while (1) { 525 1.13 bouyer SC_DEBUG(periph, SCSIPI_DB1, ("mustek_get_status: stat_cmd\n")); 526 1.24 mycroft error = scsipi_command(periph, (void *)&cmd, sizeof(cmd), 527 1.24 mycroft (void *)&data, sizeof(data), 528 1.39 rmind MUSTEK_RETRIES, 5000, NULL, XS_CTL_DATA_IN); 529 1.1 mycroft if (error) 530 1.41 mbalmer return error; 531 1.1 mycroft if ((data.ready_busy == MUSTEK_READY) || 532 1.1 mycroft (timeout-- <= 0)) 533 1.1 mycroft break; 534 1.1 mycroft /* please wait a second */ 535 1.43 mlelstv kpause("mtkrdy", false, hz, NULL); 536 1.1 mycroft } 537 1.1 mycroft 538 1.1 mycroft if (update) { 539 1.2 mycroft bytes_per_line = _2ltol(data.bytes_per_line); 540 1.2 mycroft lines = _3ltol(data.lines); 541 1.1 mycroft if (lines != ss->sio.scan_lines) { 542 1.6 christos printf("mustek: lines actual(%d) != computed(%ld)\n", 543 1.1 mycroft lines, ss->sio.scan_lines); 544 1.41 mbalmer return EIO; 545 1.1 mycroft } 546 1.1 mycroft if (bytes_per_line * lines != ss->sio.scan_window_size) { 547 1.6 christos printf("mustek: win-size actual(%d) != computed(%ld)\n", 548 1.1 mycroft bytes_per_line * lines, ss->sio.scan_window_size); 549 1.41 mbalmer return EIO; 550 1.1 mycroft } 551 1.1 mycroft 552 1.13 bouyer SC_DEBUG(periph, SCSIPI_DB1, 553 1.3 christos ("mustek_get_size: bpl=%ld, lines=%ld\n", 554 1.41 mbalmer (ss->sio.scan_pixels_per_line * ss->sio.scan_bits_per_pixel) 555 1.41 mbalmer / 8, ss->sio.scan_lines)); 556 1.13 bouyer SC_DEBUG(periph, SCSIPI_DB1, ("window size = %ld\n", 557 1.1 mycroft ss->sio.scan_window_size)); 558 1.1 mycroft } 559 1.1 mycroft 560 1.13 bouyer SC_DEBUG(periph, SCSIPI_DB1, ("mustek_get_status: end\n")); 561 1.1 mycroft if (data.ready_busy == MUSTEK_READY) 562 1.41 mbalmer return 0; 563 1.1 mycroft else 564 1.41 mbalmer return EBUSY; 565 1.1 mycroft } 566 1.1 mycroft 567 1.1 mycroft /* 568 1.1 mycroft * mustek_compute_sizes: compute window_size and lines for the picture 569 1.1 mycroft * this function is called from different places in the code 570 1.1 mycroft */ 571 1.19 thorpej static void 572 1.19 thorpej mustek_compute_sizes(struct ss_softc *ss) 573 1.1 mycroft { 574 1.1 mycroft 575 1.1 mycroft switch (ss->sio.scan_image_mode) { 576 1.1 mycroft case SIM_BINARY_MONOCHROME: 577 1.1 mycroft case SIM_DITHERED_MONOCHROME: 578 1.1 mycroft ss->sio.scan_bits_per_pixel = 1; 579 1.1 mycroft break; 580 1.1 mycroft case SIM_GRAYSCALE: 581 1.1 mycroft case SIM_RED: 582 1.1 mycroft case SIM_GREEN: 583 1.1 mycroft case SIM_BLUE: 584 1.1 mycroft ss->sio.scan_bits_per_pixel = 8; 585 1.1 mycroft break; 586 1.1 mycroft } 587 1.1 mycroft 588 1.1 mycroft /* 589 1.1 mycroft * horizontal number of bytes is always a multiple of 2, 590 1.1 mycroft * in 8-bit mode at least 591 1.1 mycroft */ 592 1.1 mycroft ss->sio.scan_pixels_per_line = 593 1.1 mycroft (ss->sio.scan_width * ss->sio.scan_x_resolution) / 1200; 594 1.1 mycroft if (ss->sio.scan_bits_per_pixel == 1) 595 1.1 mycroft /* make it a multiple of 16, and thus of 2 bytes */ 596 1.1 mycroft ss->sio.scan_pixels_per_line = 597 1.1 mycroft (ss->sio.scan_pixels_per_line + 15) & 0xfffffff0; 598 1.1 mycroft else 599 1.1 mycroft ss->sio.scan_pixels_per_line = 600 1.1 mycroft (ss->sio.scan_pixels_per_line + 1) & 0xfffffffe; 601 1.1 mycroft 602 1.1 mycroft ss->sio.scan_lines = 603 1.1 mycroft (ss->sio.scan_height * ss->sio.scan_y_resolution) / 1200; 604 1.8 enami ss->sio.scan_window_size = ss->sio.scan_lines * 605 1.1 mycroft ((ss->sio.scan_pixels_per_line * ss->sio.scan_bits_per_pixel) / 8); 606 1.1 mycroft } 607