diff options
Diffstat (limited to 'sys/scsi/ss_mustek.c')
| -rw-r--r-- | sys/scsi/ss_mustek.c | 624 |
1 files changed, 624 insertions, 0 deletions
diff --git a/sys/scsi/ss_mustek.c b/sys/scsi/ss_mustek.c index 7be6628fe01..fa707b958fe 100644 --- a/sys/scsi/ss_mustek.c +++ b/sys/scsi/ss_mustek.c @@ -1,3 +1,627 @@ +/* $OpenBSD: ss_mustek.c,v 1.2 1996/04/19 16:10:21 niklas Exp $ */ +/* $NetBSD: ss_mustek.c,v 1.1 1996/02/18 20:32:47 mycroft Exp $ */ + +/* + * Copyright (c) 1995 Joachim Koenig-Baltes. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by Joachim Koenig-Baltes. + * 4. The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +/* + * special driver for MUSTEK flatbed scanners MFS 06000CX and MFS 12000CX + * these scanners come with their own scsi card, containing an NCR53C400 + * SCSI controller chip. I'm in the progress of writing a driver for this + * card to work under NetBSD-current. I've hooked it up to a Seagate ST01 + * hostadapter in the meantime, giving 350KB/sec for higher resolutions! + * + * I tried to connect it to my Adaptec 1542B, but with no success. It seems, + * it does not like synchronous negotiation between Hostadapter and other + * targets, but I could not turn this off for the 1542B. + * + * There is also an other reason why you would not like to connect it to your + * favourite SCSI host adapter: The Mustek DOES NOT DISCONNECT. It will block + * other traffic from the bus while a transfer is active. + */ + +#include <sys/types.h> +#include <sys/param.h> +#include <sys/kernel.h> +#include <sys/systm.h> +#include <sys/fcntl.h> +#include <sys/errno.h> +#include <sys/ioctl.h> +#include <sys/malloc.h> +#include <sys/buf.h> +#include <sys/proc.h> +#include <sys/user.h> +#include <sys/device.h> +#include <sys/conf.h> /* for cdevsw */ +#include <sys/scanio.h> + +#include <scsi/scsi_all.h> +#include <scsi/scsi_scanner.h> +#include <scsi/scsiconf.h> +#include <scsi/ssvar.h> +#include <scsi/ss_mustek.h> + +#define MUSTEK_RETRIES 4 + +int mustek_get_params __P((struct ss_softc *)); +int mustek_set_params __P((struct ss_softc *, struct scan_io *)); +int mustek_trigger_scanner __P((struct ss_softc *)); +void mustek_minphys __P((struct ss_softc *, struct buf *)); +int mustek_read __P((struct ss_softc *, struct buf *)); +int mustek_rewind_scanner __P((struct ss_softc *)); + +/* only used internally */ +int mustek_get_status __P((struct ss_softc *, int, int)); +void mustek_compute_sizes __P((struct ss_softc *)); + +/* + * structure for the special handlers + */ +struct ss_special mustek_special = { + mustek_set_params, + mustek_trigger_scanner, + mustek_get_params, + mustek_minphys, + mustek_read, + mustek_rewind_scanner, + NULL, /* no adf support right now */ + NULL /* no adf support right now */ +}; + +/* + * mustek_attach: attach special functions to ss + */ +void +mustek_attach(ss, sa) + struct ss_softc *ss; + struct scsibus_attach_args *sa; +{ + struct scsi_link *sc_link = sa->sa_sc_link; + + SC_DEBUG(sc_link, SDEV_DB1, ("mustek_attach: start\n")); + ss->sio.scan_scanner_type = 0; + + /* first, check the model which determines resolutions */ + if (!bcmp(sa->sa_inqbuf->product, "MFS-06000CX", 11)) { + ss->sio.scan_scanner_type = MUSTEK_06000CX; + printf(": Mustek 6000CX Flatbed 3-pass color scanner, 3 - 600 dpi\n"); + } + if (!bcmp(sa->sa_inqbuf->product, "MFS-12000CX", 11)) { + ss->sio.scan_scanner_type = MUSTEK_12000CX; + printf(": Mustek 12000CX Flatbed 3-pass color scanner, 6 - 1200 dpi\n"); + } + + SC_DEBUG(sc_link, SDEV_DB1, ("mustek_attach: scanner_type = %d\n", + ss->sio.scan_scanner_type)); + + /* install special handlers */ + ss->special = &mustek_special; + + /* + * populate the scanio struct with legal values + * the default should come from user space + */ + ss->sio.scan_width = 1200; + ss->sio.scan_height = 1200; + ss->sio.scan_x_resolution = 99; + ss->sio.scan_y_resolution = 99; + ss->sio.scan_x_origin = 0; + ss->sio.scan_y_origin = 0; + ss->sio.scan_brightness = 100; + ss->sio.scan_contrast = 100; + ss->sio.scan_quality = 100; + ss->sio.scan_image_mode = SIM_GRAYSCALE; + + mustek_compute_sizes(ss); +} + +int +mustek_get_params (ss) + struct ss_softc *ss; +{ + + return (0); +} + +/* + * check the parameters if the mustek is capable of fulfilling it + * but don't send the command to the scanner in case the user wants + * to change parameters by more than one call + */ +int +mustek_set_params(ss, sio) + struct ss_softc *ss; + struct scan_io *sio; +{ + int error; + + /* + * if the scanner is triggered, then rewind it + */ + if (ss->flags & SSF_TRIGGERED) { + error = mustek_rewind_scanner(ss); + if (error) + return (error); + } + + /* size constraints: 8.5" horizontally and 14" vertically */ +#ifdef MUSTEK_INCH_SPEC + /* sizes must be a multiple of 1/8" */ + sio->scan_x_origin -= sio->scan_x_origin % 150; + sio->scan_y_origin -= sio->scan_y_origin % 150; + sio->scan_width -= sio->scan_width % 150; + sio->scan_height -= sio->scan_height % 150; +#endif + if (sio->scan_width == 0 || + sio->scan_x_origin + sio->scan_width > 10200 || + sio->scan_height == 0 || + sio->scan_y_origin + sio->scan_height > 16800) + return (EINVAL); + + /* + * for now, only realize the values for the MUSTEK_06000CX + * in the future, values for the MUSTEK_12000CX will be implemented + */ + + /* + * resolution (dpi) must be <= 300 and a multiple of 3 or + * between 300 and 600 and a multiple of 30 + */ + sio->scan_x_resolution -= sio->scan_x_resolution <= 300 ? + sio->scan_x_resolution % 3 : sio->scan_x_resolution % 30; + sio->scan_y_resolution -= sio->scan_y_resolution <= 300 ? + sio->scan_y_resolution % 3 : sio->scan_y_resolution % 30; + if (sio->scan_x_resolution < 3 || sio->scan_x_resolution > 600 || + sio->scan_x_resolution != sio->scan_y_resolution) + return (EINVAL); + + /* assume brightness values are between 64 and 136 in steps of 3 */ + sio->scan_brightness -= (sio->scan_brightness - 64) % 3; + if (sio->scan_brightness < 64 || sio->scan_brightness > 136) + return (EINVAL); + + /* contrast values must be between 16 and 184 in steps of 7 */ + sio->scan_contrast -= (sio->scan_contrast - 16) % 7; + if (sio->scan_contrast < 16 || sio->scan_contrast > 184) + return (EINVAL); + + /* + * velocity: between 0 (fast) and 4 (slow) which will be mapped + * to 100% = 4, 80% = 3, 60% = 2, 40% = 1, 20% = 0 + * must be a multiple of 20 + */ + sio->scan_quality -= sio->scan_quality % 20; + if (sio->scan_quality < 20 || sio->scan_quality > 100) + return (EINVAL); + + switch (sio->scan_image_mode) { + case SIM_BINARY_MONOCHROME: + case SIM_DITHERED_MONOCHROME: + case SIM_GRAYSCALE: + case SIM_RED: + case SIM_GREEN: + case SIM_BLUE: + break; + default: + return (EINVAL); + } + + /* change ss_softc to the new values, but save ro-variables */ + sio->scan_scanner_type = ss->sio.scan_scanner_type; + bcopy(sio, &ss->sio, sizeof(struct scan_io)); + + mustek_compute_sizes(ss); + + return (0); +} + +/* + * trim the requested transfer to a multiple of the line size + * this is called only from ssread() which guarantees, scanner is triggered + * In the future, it will trim the transfer to not read to much at a time + * because the mustek cannot disconnect. It will be calculated by the + * resolution, the velocity and the number of bytes per line. + */ +void +mustek_minphys(ss, bp) + struct ss_softc *ss; + struct buf *bp; +{ + struct scsi_link *sc_link = ss->sc_link; + + SC_DEBUG(sc_link, SDEV_DB1, ("mustek_minphys: before: %d\n", + bp->b_bcount)); + bp->b_bcount -= bp->b_bcount % + ((ss->sio.scan_pixels_per_line * ss->sio.scan_bits_per_pixel) / 8); + SC_DEBUG(sc_link, SDEV_DB1, ("mustek_minphys: after: %d\n", + bp->b_bcount)); +} + +/* + * trigger the scanner to start a scan operation + * this includes sending the mode- and window-data, starting the scanner + * and getting the image size info + */ +int +mustek_trigger_scanner(ss) + struct ss_softc *ss; +{ + struct mustek_mode_select_cmd mode_cmd; + struct mustek_mode_select_data mode_data; + struct mustek_set_window_cmd window_cmd; + struct mustek_set_window_data window_data; + struct mustek_start_scan_cmd start_scan_cmd; + struct scsi_link *sc_link = ss->sc_link; +#ifndef MUSTEK_INCH_SPEC + int pixel_tlx, pixel_tly, pixel_brx, pixel_bry, paperlength; +#endif + int error; + + mustek_compute_sizes(ss); + + SC_DEBUG(sc_link, SDEV_DB1, ("mustek_trigger_scanner\n")); + + /* + * set the window params and send the scsi command + */ + bzero(&window_cmd, sizeof(window_cmd)); + window_cmd.opcode = MUSTEK_SET_WINDOW; + window_cmd.length = sizeof(window_data); + + bzero(&window_data, sizeof(window_data)); + window_data.frame_header = MUSTEK_LINEART_BACKGROUND | MUSTEK_UNIT_SPEC; +#ifdef MUSTEK_INCH_SPEC + /* the positional values are all 1 byte because 256 / 8 = 32" */ + window_data.frame_tl_x_0 = ss->sio.scan_x_origin / 150; + window_data.frame_tl_x_1 = 0; + window_data.frame_tl_y_0 = ss->sio.scan_y_origin / 150; + window_data.frame_tl_y_1 = 0; + window_data.frame_br_x_0 = (ss->sio.scan_x_origin + + ss->sio.scan_width) / 150; + window_data.frame_br_x_1 = 0; + window_data.frame_br_y_0 = (ss->sio.scan_y_origin + + ss->sio.scan_height) / 150; + window_data.frame_br_y_1 = 0; +#else + pixel_tlx = (ss->sio.scan_x_origin * ss->sio.scan_x_resolution) / 1200; + window_data.frame_tl_x_0 = pixel_tlx & 0xff; + window_data.frame_tl_x_1 = (pixel_tlx >> 8) & 0xff; + pixel_tly = (ss->sio.scan_y_origin * ss->sio.scan_y_resolution) / 1200; + window_data.frame_tl_y_0 = pixel_tly & 0xff; + window_data.frame_tl_y_1 = (pixel_tly >> 8) & 0xff; + pixel_brx = pixel_tlx + + (ss->sio.scan_width * ss->sio.scan_x_resolution) / 1200; + window_data.frame_br_x_0 = pixel_brx & 0xff; + window_data.frame_br_x_1 = (pixel_brx >> 8) & 0xff; + pixel_bry = pixel_tly + + (ss->sio.scan_height * ss->sio.scan_y_resolution) / 1200; + window_data.frame_br_y_0 = pixel_bry & 0xff; + window_data.frame_br_y_1 = (pixel_bry >> 8) & 0xff; +#endif + +#if MUSTEK_WINDOWS >= 1 + window_data.window1_header = MUSTEK_WINDOW_MASK | MUSTEK_UNIT_SPEC; + window_data.window1_tl_x_0 = window_data.frame_tl_x_0; + window_data.window1_tl_x_1 = window_data.frame_tl_x_1; + window_data.window1_tl_y_0 = window_data.frame_tl_y_0; + window_data.window1_tl_y_1 = window_data.frame_tl_y_1; + window_data.window1_br_x_0 = window_data.frame_br_x_0; + window_data.window1_br_x_1 = window_data.frame_br_x_1; + window_data.window1_br_y_0 = window_data.frame_br_y_0; + window_data.window1_br_y_1 = window_data.frame_br_y_1; +#endif + + /* send the set window command to the scanner */ + SC_DEBUG(sc_link, SDEV_DB1, ("mustek_set_parms: set_window\n")); + error = scsi_scsi_cmd(sc_link, (struct scsi_generic *) &window_cmd, + sizeof(window_cmd), (u_char *) &window_data, sizeof(window_data), + MUSTEK_RETRIES, 5000, NULL, SCSI_DATA_OUT); + if (error) + return (error); + + /* + * do what it takes to actualize the mode + */ + bzero(&mode_cmd, sizeof(mode_cmd)); + mode_cmd.opcode = MUSTEK_MODE_SELECT; + mode_cmd.length_0 = sizeof(mode_data); + + bzero(&mode_data, sizeof(mode_data)); + mode_data.mode = + MUSTEK_MODE_MASK | MUSTEK_HT_PATTERN_BUILTIN | MUSTEK_UNIT_SPEC; + if (ss->sio.scan_x_resolution <= 300) { + mode_data.resolution = ss->sio.scan_x_resolution / 3; + } else { + /* + * the resolution values is computed by modulo 100, but not + * for 600dpi, where the value is 100 (a bit tricky, but ...) + */ + mode_data.resolution = + ((ss->sio.scan_x_resolution - 1) % 100) + 1; + } + mode_data.brightness = (ss->sio.scan_brightness - 64) / 3; + mode_data.contrast = (ss->sio.scan_contrast - 16) / 7; + mode_data.grain = 0; + mode_data.velocity = ss->sio.scan_quality / 20 - 1; +#ifdef MUSTEK_INCH_SPEC + mode_data.paperlength_0 = 14 * 8; /* 14" */ + mode_data.paperlength_1 = 0; +#else + paperlength = 14 * ss->sio.scan_y_resolution; /* 14" */ + mode_data.paperlength_0 = paperlength & 0xff; + mode_data.paperlength_1 = (paperlength >> 8) & 0xff; +#endif + + SC_DEBUG(sc_link, SDEV_DB1, ("mustek_trigger_scanner: mode_select\n")); + /* send the command to the scanner */ + error = scsi_scsi_cmd(sc_link, (struct scsi_generic *) &mode_cmd, + sizeof(mode_cmd), (u_char *) &mode_data, sizeof(mode_data), + MUSTEK_RETRIES, 5000, NULL, SCSI_DATA_OUT); + if (error) + return (error); + + /* + * now construct and send the start command + */ + bzero(&start_scan_cmd,sizeof(start_scan_cmd)); + start_scan_cmd.opcode = MUSTEK_START_STOP; + start_scan_cmd.mode = MUSTEK_SCAN_START; + if (ss->sio.scan_x_resolution <= 300) + start_scan_cmd.mode |= MUSTEK_RES_STEP_1; + else + start_scan_cmd.mode |= MUSTEK_RES_STEP_10; + switch (ss->sio.scan_image_mode) { + case SIM_BINARY_MONOCHROME: + case SIM_DITHERED_MONOCHROME: + start_scan_cmd.mode |= MUSTEK_BIT_MODE | MUSTEK_GRAY_FILTER; + break; + case SIM_GRAYSCALE: + start_scan_cmd.mode |= MUSTEK_GRAY_MODE | MUSTEK_GRAY_FILTER; + break; + case SIM_RED: + start_scan_cmd.mode |= MUSTEK_GRAY_MODE | MUSTEK_RED_FILTER; + break; + case SIM_GREEN: + start_scan_cmd.mode |= MUSTEK_GRAY_MODE | MUSTEK_GREEN_FILTER; + break; + case SIM_BLUE: + start_scan_cmd.mode |= MUSTEK_GRAY_MODE | MUSTEK_BLUE_FILTER; + break; + } + + /* send the command to the scanner */ + SC_DEBUG(sc_link, SDEV_DB1, ("mustek_trigger_scanner: start_scan\n")); + error = scsi_scsi_cmd(sc_link, (struct scsi_generic *) &start_scan_cmd, + sizeof(start_scan_cmd), NULL, 0, + MUSTEK_RETRIES, 5000, NULL, 0); + if (error) + return (error); + + /* + * now check if scanner ready this time with update of size info + * we wait here so that if the user issues a read directly afterwards, + * the scanner will respond directly (otherwise we had to sleep with + * a buffer locked in memory) + */ + SC_DEBUG(sc_link, SDEV_DB1, ("mustek_trigger_scanner: get_status\n")); + error = mustek_get_status(ss, 60, 1); + if (error) + return (error); + + return (0); +} + +/* + * stop a scan operation in progress + */ +int +mustek_rewind_scanner(ss) + struct ss_softc *ss; +{ + struct mustek_start_scan_cmd cmd; + struct scsi_link *sc_link = ss->sc_link; + int error; + + if (ss->sio.scan_window_size != 0) { + /* + * only if not all data has been read, the scanner has to be + * stopped + */ + bzero(&cmd, sizeof(cmd)); + cmd.opcode = MUSTEK_START_STOP; + cmd.mode = MUSTEK_SCAN_STOP; + + /* send the command to the scanner */ + SC_DEBUG(sc_link, SDEV_DB1, + ("mustek_rewind_scanner: stop_scan\n")); + error = scsi_scsi_cmd(sc_link, (struct scsi_generic *) &cmd, + sizeof(cmd), NULL, 0, MUSTEK_RETRIES, 5000, NULL, 0); + if (error) + return (error); + } + + SC_DEBUG(sc_link, SDEV_DB1, ("mustek_rewind_scanner: end\n")); + + return (0); +} + +/* + * read the requested number of bytes/lines from the scanner + */ +int +mustek_read(ss, bp) + struct ss_softc *ss; + struct buf *bp; +{ + struct mustek_read_cmd cmd; + struct scsi_link *sc_link = ss->sc_link; + u_long lines_to_read; + + SC_DEBUG(sc_link, SDEV_DB1, ("mustek_read: start\n")); + + bzero(&cmd, sizeof(cmd)); + cmd.opcode = MUSTEK_READ; + + /* instead of the bytes, the mustek wants the number of lines */ + lines_to_read = bp->b_bcount / + ((ss->sio.scan_pixels_per_line * ss->sio.scan_bits_per_pixel) / 8); + SC_DEBUG(sc_link, SDEV_DB1, ("mustek_read: read %d lines\n", + lines_to_read)); + cmd.length_0 = lines_to_read & 0xff; + cmd.length_1 = (lines_to_read >> 8) & 0xff; + cmd.length_2 = (lines_to_read >> 16) & 0xff; + + /* + * go ask the adapter to do all this for us + */ + if (scsi_scsi_cmd(sc_link, (struct scsi_generic *) &cmd, sizeof(cmd), + (u_char *) bp->b_data, bp->b_bcount, MUSTEK_RETRIES, 10000, bp, + SCSI_NOSLEEP | SCSI_DATA_IN) != SUCCESSFULLY_QUEUED) + printf("%s: not queued\n", ss->sc_dev.dv_xname); + else { + ss->sio.scan_lines -= lines_to_read; + ss->sio.scan_window_size -= bp->b_bcount; + } + + return (0); +} + +/* + * check if the scanner is ready to take commands + * wait timeout seconds and try only every second + * if update, then update picture size info + * + * returns EBUSY if scanner not ready + */ +int +mustek_get_status(ss, timeout, update) + struct ss_softc *ss; + int timeout, update; +{ + struct mustek_get_status_cmd cmd; + struct mustek_get_status_data data; + struct scsi_link *sc_link = ss->sc_link; + int error, lines, bytes_per_line; + + bzero(&cmd, sizeof(cmd)); + cmd.opcode = MUSTEK_GET_STATUS; + cmd.length = sizeof(data); + + while (1) { + SC_DEBUG(sc_link, SDEV_DB1, ("mustek_get_status: stat_cmd\n")); + error = scsi_scsi_cmd(sc_link, (struct scsi_generic *) &cmd, + sizeof(cmd), (u_char *) &data, sizeof(data), MUSTEK_RETRIES, + 5000, NULL, SCSI_DATA_IN); + if (error) + return (error); + if ((data.ready_busy == MUSTEK_READY) || + (timeout-- <= 0)) + break; + /* please wait a second */ + tsleep((caddr_t)mustek_get_status, PRIBIO + 1, "mtkrdy", hz); + } + + if (update) { + bytes_per_line = + (data.bytes_per_line_1 << 8) | + data.bytes_per_line_0; + lines = + (data.lines_2 << 16) | + (data.lines_1 << 8) | + data.lines_0; + if (lines != ss->sio.scan_lines) { + printf("mustek: lines actual(%d) != computed(%d)\n", + lines, ss->sio.scan_lines); + return (EIO); + } + if (bytes_per_line * lines != ss->sio.scan_window_size) { + printf("mustek: win-size actual(%d) != computed(%d)\n", + bytes_per_line * lines, ss->sio.scan_window_size); + return (EIO); + } + + SC_DEBUG(sc_link, SDEV_DB1, + ("mustek_get_size: bpl=%d, lines=%d\n", + (ss->sio.scan_pixels_per_line * ss->sio.scan_bits_per_pixel) / 8, + ss->sio.scan_lines)); + SC_DEBUG(sc_link, SDEV_DB1, ("window size = %d\n", + ss->sio.scan_window_size)); + } + + SC_DEBUG(sc_link, SDEV_DB1, ("mustek_get_status: end\n")); + if (data.ready_busy == MUSTEK_READY) + return (0); + else + return (EBUSY); +} + +/* + * mustek_compute_sizes: compute window_size and lines for the picture + * this function is called from different places in the code + */ +void +mustek_compute_sizes(ss) + struct ss_softc *ss; +{ + + switch (ss->sio.scan_image_mode) { + case SIM_BINARY_MONOCHROME: + case SIM_DITHERED_MONOCHROME: + ss->sio.scan_bits_per_pixel = 1; + break; + case SIM_GRAYSCALE: + case SIM_RED: + case SIM_GREEN: + case SIM_BLUE: + ss->sio.scan_bits_per_pixel = 8; + break; + } + + /* + * horizontal number of bytes is always a multiple of 2, + * in 8-bit mode at least + */ + ss->sio.scan_pixels_per_line = + (ss->sio.scan_width * ss->sio.scan_x_resolution) / 1200; + if (ss->sio.scan_bits_per_pixel == 1) + /* make it a multiple of 16, and thus of 2 bytes */ + ss->sio.scan_pixels_per_line = + (ss->sio.scan_pixels_per_line + 15) & 0xfffffff0; + else + ss->sio.scan_pixels_per_line = + (ss->sio.scan_pixels_per_line + 1) & 0xfffffffe; + + ss->sio.scan_lines = + (ss->sio.scan_height * ss->sio.scan_y_resolution) / 1200; + ss->sio.scan_window_size = ss->sio.scan_lines * + ((ss->sio.scan_pixels_per_line * ss->sio.scan_bits_per_pixel) / 8); +} /* $NetBSD: ss_mustek.c,v 1.1 1996/02/18 20:32:47 mycroft Exp $ */ /* |