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Diffstat (limited to 'backend/pixma_mp810.c')
| -rw-r--r-- | backend/pixma_mp810.c | 2365 |
1 files changed, 2365 insertions, 0 deletions
diff --git a/backend/pixma_mp810.c b/backend/pixma_mp810.c new file mode 100644 index 0000000..5b6cdfe --- /dev/null +++ b/backend/pixma_mp810.c @@ -0,0 +1,2365 @@ +/* SANE - Scanner Access Now Easy. + + Copyright (C) 2007-2009 Nicolas Martin, <nicols-guest at alioth dot debian dot org> + Copyright (C) 2006-2007 Wittawat Yamwong <wittawat@web.de> + Copyright (C) 2011-2013 Rolf Bensch <rolf at bensch hyphen online dot de> + + This file is part of the SANE package. + + This program is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License as + published by the Free Software Foundation; either version 2 of the + License, or (at your option) any later version. + + This program is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 59 Temple Place - Suite 330, Boston, + MA 02111-1307, USA. + + As a special exception, the authors of SANE give permission for + additional uses of the libraries contained in this release of SANE. + + The exception is that, if you link a SANE library with other files + to produce an executable, this does not by itself cause the + resulting executable to be covered by the GNU General Public + License. Your use of that executable is in no way restricted on + account of linking the SANE library code into it. + + This exception does not, however, invalidate any other reasons why + the executable file might be covered by the GNU General Public + License. + + If you submit changes to SANE to the maintainers to be included in + a subsequent release, you agree by submitting the changes that + those changes may be distributed with this exception intact. + + If you write modifications of your own for SANE, it is your choice + whether to permit this exception to apply to your modifications. + If you do not wish that, delete this exception notice. + */ +/* test cases + 1. short USB packet (must be no -ETIMEDOUT) + 2. cancel using button on the printer (look for abort command) + 3. start scan while busy (status 0x1414) + 4. cancel using ctrl-c (must send abort command) + */ + +#define TPU_48 /* uncomment to activate TPU scan at 48 bits */ +/*#define DEBUG_TPU_48*//* uncomment to debug 48 bits TPU on a non TPU device */ +/*#define DEBUG_TPU_24*//* uncomment to debug 24 bits TPU on a non TPU device */ + +/*#define TPUIR_USE_RGB*/ /* uncomment to use RGB channels and convert them to gray; otherwise use R channel only */ + +#include "../include/sane/config.h" + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <time.h> /* localtime(C90) */ + +#include "pixma_rename.h" +#include "pixma_common.h" +#include "pixma_io.h" + +/* Some macro code to enhance readability */ +#define RET_IF_ERR(x) do { \ + if ((error = (x)) < 0) \ + return error; \ + } while(0) + +#define WAIT_INTERRUPT(x) do { \ + error = handle_interrupt (s, x); \ + if (s->cancel) \ + return PIXMA_ECANCELED; \ + if (error != PIXMA_ECANCELED && error < 0) \ + return error; \ + } while(0) + +#ifdef __GNUC__ +# define UNUSED(v) (void) v +#else +# define UNUSED(v) +#endif + +/* Size of the command buffer should be multiple of wMaxPacketLength and + greater than 4096+24. + 4096 = size of gamma table. 24 = header + checksum */ +#define IMAGE_BLOCK_SIZE (512*1024) +#define CMDBUF_SIZE (4096 + 24) +#define DEFAULT_GAMMA 2.0 /***** Gamma different from 1.0 is potentially impacting color profile generation *****/ +#define UNKNOWN_PID 0xffff + +#define CANON_VID 0x04a9 + +/* Generation 2 */ +#define MP810_PID 0x171a +#define MP960_PID 0x171b + +/* Generation 3 */ +/* PIXMA 2007 vintage */ +#define MP970_PID 0x1726 + +/* Flatbed scanner CCD (2007) */ +#define CS8800F_PID 0x1901 + +/* PIXMA 2008 vintage */ +#define MP980_PID 0x172d + +/* Generation 4 */ +#define MP990_PID 0x1740 + +/* Flatbed scanner CCD (2010) */ +#define CS9000F_PID 0x1908 + +/* 2010 new device (untested) */ +#define MG8100_PID 0x174b /* CCD */ + +/* 2011 new device (untested) */ +#define MG8200_PID 0x1756 /* CCD */ + +/* 2013 new device */ +#define CS9000F_MII_PID 0x190d + +/* Generation 4 XML messages that encapsulates the Pixma protocol messages */ +#define XML_START_1 \ +"<?xml version=\"1.0\" encoding=\"utf-8\" ?>\ +<cmd xmlns:ivec=\"http://www.canon.com/ns/cmd/2008/07/common/\">\ +<ivec:contents><ivec:operation>StartJob</ivec:operation>\ +<ivec:param_set servicetype=\"scan\"><ivec:jobID>00000001</ivec:jobID>\ +<ivec:bidi>1</ivec:bidi></ivec:param_set></ivec:contents></cmd>" + +#define XML_START_2 \ +"<?xml version=\"1.0\" encoding=\"utf-8\" ?>\ +<cmd xmlns:ivec=\"http://www.canon.com/ns/cmd/2008/07/common/\" xmlns:vcn=\"http://www.canon.com/ns/cmd/2008/07/canon/\">\ +<ivec:contents><ivec:operation>VendorCmd</ivec:operation>\ +<ivec:param_set servicetype=\"scan\"><ivec:jobID>00000001</ivec:jobID>\ +<vcn:ijoperation>ModeShift</vcn:ijoperation><vcn:ijmode>1</vcn:ijmode>\ +</ivec:param_set></ivec:contents></cmd>" + +#define XML_END \ +"<?xml version=\"1.0\" encoding=\"utf-8\" ?>\ +<cmd xmlns:ivec=\"http://www.canon.com/ns/cmd/2008/07/common/\">\ +<ivec:contents><ivec:operation>EndJob</ivec:operation>\ +<ivec:param_set servicetype=\"scan\"><ivec:jobID>00000001</ivec:jobID>\ +</ivec:param_set></ivec:contents></cmd>" + +#define XML_OK "<ivec:response>OK</ivec:response>" + +enum mp810_state_t +{ + state_idle, + state_warmup, + state_scanning, + state_transfering, + state_finished +}; + +enum mp810_cmd_t +{ + cmd_start_session = 0xdb20, + cmd_select_source = 0xdd20, + cmd_gamma = 0xee20, + cmd_scan_param = 0xde20, + cmd_status = 0xf320, + cmd_abort_session = 0xef20, + cmd_time = 0xeb80, + cmd_read_image = 0xd420, + cmd_error_info = 0xff20, + + cmd_start_calibrate_ccd_3 = 0xd520, + cmd_end_calibrate_ccd_3 = 0xd720, + cmd_scan_param_3 = 0xd820, + cmd_scan_start_3 = 0xd920, + cmd_status_3 = 0xda20, + cmd_get_tpu_info_3 = 0xf520, + cmd_set_tpu_info_3 = 0xea20, + + cmd_e920 = 0xe920 /* seen in MP800 */ +}; + +typedef struct mp810_t +{ + enum mp810_state_t state; + pixma_cmdbuf_t cb; + uint8_t *imgbuf; + uint8_t current_status[16]; + unsigned last_block; + uint8_t generation; + /* for Generation 3 and CCD shift */ + uint8_t *linebuf; + uint8_t *data_left_ofs; + unsigned data_left_len; + int shift[3]; + unsigned color_shift; + unsigned stripe_shift; + unsigned stripe_shift2; /* added for MP810, MP960 at 4800dpi & 9000F at 9600dpi */ + unsigned jumplines; /* added for MP810, MP960 at 4800dpi & 9000F at 9600dpi */ + uint8_t tpu_datalen; + uint8_t tpu_data[0x40]; +} mp810_t; + +/* + STAT: 0x0606 = ok, + 0x1515 = failed (PIXMA_ECANCELED), + 0x1414 = busy (PIXMA_EBUSY) + + Transaction scheme + 1. command_header/data | result_header + 2. command_header | result_header/data + 3. command_header | result_header/image_data + + - data has checksum in the last byte. + - image_data has no checksum. + - data and image_data begins in the same USB packet as + command_header or result_header. + + command format #1: + u16be cmd + u8[6] 0 + u8[4] 0 + u32be PLEN parameter length + u8[PLEN-1] parameter + u8 parameter check sum + result: + u16be STAT + u8 0 + u8 0 or 0x21 if STAT == 0x1414 + u8[4] 0 + + command format #2: + u16be cmd + u8[6] 0 + u8[4] 0 + u32be RLEN result length + result: + u16be STAT + u8[6] 0 + u8[RLEN-1] result + u8 result check sum + + command format #3: (only used by read_image_block) + u16be 0xd420 + u8[6] 0 + u8[4] 0 + u32be max. block size + 8 + result: + u16be STAT + u8[6] 0 + u8 block info bitfield: 0x8 = end of scan, 0x10 = no more paper, 0x20 = no more data + u8[3] 0 + u32be ILEN image data size + u8[ILEN] image data + */ + +static void mp810_finish_scan (pixma_t * s); + +static int is_scanning_from_adf (pixma_t * s) +{ + return (s->param->source == PIXMA_SOURCE_ADF + || s->param->source == PIXMA_SOURCE_ADFDUP); +} + +static int is_scanning_from_adfdup (pixma_t * s) +{ + return (s->param->source == PIXMA_SOURCE_ADFDUP); +} + +static int is_scanning_from_tpu (pixma_t * s) +{ + return (s->param->source == PIXMA_SOURCE_TPU); +} + +static int send_xml_dialog (pixma_t * s, const char * xml_message) +{ + mp810_t *mp = (mp810_t *) s->subdriver; + int datalen; + + datalen = pixma_cmd_transaction (s, xml_message, strlen (xml_message), + mp->cb.buf, 1024); + if (datalen < 0) + return datalen; + + mp->cb.buf[datalen] = 0; + + PDBG(pixma_dbg (10, "XML message sent to scanner:\n%s\n", xml_message)); + PDBG(pixma_dbg (10, "XML response back from scanner:\n%s\n", mp->cb.buf)); + + return (strcasestr ((const char *) mp->cb.buf, XML_OK) != NULL); +} + +static void new_cmd_tpu_msg (pixma_t *s, pixma_cmdbuf_t * cb, uint16_t cmd) +{ + pixma_newcmd (cb, cmd, 0, 0); + cb->buf[3] = (is_scanning_from_tpu (s)) ? 0x01 : 0x00; +} + +static int start_session (pixma_t * s) +{ + mp810_t *mp = (mp810_t *) s->subdriver; + + new_cmd_tpu_msg (s, &mp->cb, cmd_start_session); + return pixma_exec (s, &mp->cb); +} + +static int start_scan_3 (pixma_t * s) +{ + mp810_t *mp = (mp810_t *) s->subdriver; + + new_cmd_tpu_msg (s, &mp->cb, cmd_scan_start_3); + return pixma_exec (s, &mp->cb); +} + +static int send_cmd_start_calibrate_ccd_3 (pixma_t * s) +{ + mp810_t *mp = (mp810_t *) s->subdriver; + + pixma_newcmd (&mp->cb, cmd_start_calibrate_ccd_3, 0, 0); + mp->cb.buf[3] = 0x01; + return pixma_exec (s, &mp->cb); +} + +static int is_calibrated (pixma_t * s) +{ + mp810_t *mp = (mp810_t *) s->subdriver; + if (mp->generation >= 3) + { + return ((mp->current_status[0] & 0x01) == 1); + } + if (mp->generation == 1) + { + return (mp->current_status[8] == 1); + } + else + { + return (mp->current_status[9] == 1); + } +} + +static int has_paper (pixma_t * s) +{ + mp810_t *mp = (mp810_t *) s->subdriver; + + if (is_scanning_from_adfdup (s)) + return (mp->current_status[1] == 0 || mp->current_status[2] == 0); + else + return (mp->current_status[1] == 0); +} + +static void drain_bulk_in (pixma_t * s) +{ + mp810_t *mp = (mp810_t *) s->subdriver; + while (pixma_read (s->io, mp->imgbuf, IMAGE_BLOCK_SIZE) >= 0) + ; +} + +static int abort_session (pixma_t * s) +{ + mp810_t *mp = (mp810_t *) s->subdriver; + return pixma_exec_short_cmd (s, &mp->cb, cmd_abort_session); +} + +static int send_cmd_e920 (pixma_t * s) +{ + mp810_t *mp = (mp810_t *) s->subdriver; + return pixma_exec_short_cmd (s, &mp->cb, cmd_e920); +} + +static int select_source (pixma_t * s) +{ + mp810_t *mp = (mp810_t *) s->subdriver; + uint8_t *data; + + data = pixma_newcmd (&mp->cb, cmd_select_source, 12, 0); + data[5] = ((mp->generation == 2) ? 1 : 0); + switch (s->param->source) + { + case PIXMA_SOURCE_FLATBED: + data[0] = 1; + data[1] = 1; + break; + + case PIXMA_SOURCE_ADF: + data[0] = 2; + data[5] = 1; + data[6] = 1; + break; + + case PIXMA_SOURCE_ADFDUP: + data[0] = 2; + data[5] = 3; + data[6] = 3; + break; + + case PIXMA_SOURCE_TPU: + data[0] = 4; + data[1] = 2; + break; + } + return pixma_exec (s, &mp->cb); +} + +static int send_get_tpu_info_3 (pixma_t * s) +{ + mp810_t *mp = (mp810_t *) s->subdriver; + uint8_t *data; + int error; + + data = pixma_newcmd (&mp->cb, cmd_get_tpu_info_3, 0, 0x34); + RET_IF_ERR(pixma_exec (s, &mp->cb)); + memcpy (mp->tpu_data, data, 0x34); + return error; +} + +static int send_set_tpu_info (pixma_t * s) +{ + mp810_t *mp = (mp810_t *) s->subdriver; + uint8_t *data; + + if (mp->tpu_datalen == 0) + return 0; + data = pixma_newcmd (&mp->cb, cmd_set_tpu_info_3, 0x34, 0); + memcpy (data, mp->tpu_data, 0x34); + return pixma_exec (s, &mp->cb); +} + +static int send_gamma_table (pixma_t * s) +{ + mp810_t *mp = (mp810_t *) s->subdriver; + const uint8_t *lut = s->param->gamma_table; + uint8_t *data; + + if (mp->generation == 1) + { + data = pixma_newcmd (&mp->cb, cmd_gamma, 4096 + 8, 0); + data[0] = (s->param->channels == 3) ? 0x10 : 0x01; + pixma_set_be16 (0x1004, data + 2); + if (lut) + memcpy (data + 4, lut, 4096); + else + pixma_fill_gamma_table (DEFAULT_GAMMA, data + 4, 4096); + } + else + { + /* FIXME: Gamma table for 2nd generation: 1024 * uint16_le */ + data = pixma_newcmd (&mp->cb, cmd_gamma, 2048 + 8, 0); + data[0] = 0x10; + pixma_set_be16 (0x0804, data + 2); + if (lut) + { + int i; + for (i = 0; i < 1024; i++) + { + int j = (i << 2) + (i >> 8); + data[4 + 2 * i + 0] = lut[j]; + data[4 + 2 * i + 1] = lut[j]; + } + } + else + { + int i; + pixma_fill_gamma_table (DEFAULT_GAMMA, data + 4, 2048); + for (i = 0; i < 1024; i++) + { + int j = (i << 1) + (i >> 9); + data[4 + 2 * i + 0] = data[4 + j]; + data[4 + 2 * i + 1] = data[4 + j]; + } + } + } + return pixma_exec (s, &mp->cb); +} + +static unsigned calc_raw_width (const mp810_t * mp, + const pixma_scan_param_t * param) +{ + unsigned raw_width; + /* NOTE: Actually, we can send arbitary width to MP810. Lines returned + are always padded to multiple of 4 or 12 pixels. Is this valid for + other models, too? */ + if (mp->generation >= 2) + { + raw_width = ALIGN_SUP (param->w + param->xs, 32); + /* PDBG (pixma_dbg (4, "*calc_raw_width***** width %u extended by %u and rounded to %u *****\n", param->w, param->xs, raw_width)); */ + } + else if (param->channels == 1) + { + raw_width = ALIGN_SUP (param->w + param->xs, 12); + } + else + { + raw_width = ALIGN_SUP (param->w + param->xs, 4); + } + return raw_width; +} + +static int has_ccd_sensor (pixma_t * s) +{ + return ((s->cfg->cap & PIXMA_CAP_CCD) != 0); +} + +#if 0 +static int is_color (pixma_t * s) +{ + return (s->param->mode == PIXMA_SCAN_MODE_COLOR); +} + +static int is_color_48 (pixma_t * s) +{ + return (s->param->mode == PIXMA_SCAN_MODE_COLOR_48); +} + +static int is_color_negative (pixma_t * s) +{ + return (s->param->mode == PIXMA_SCAN_MODE_NEGATIVE_COLOR); +} + +static int is_color_all (pixma_t * s) +{ + return (is_color (s) || is_color_48 (s) || is_color_negative (s)); +} +#endif + +static int is_gray (pixma_t * s) +{ + return (s->param->mode == PIXMA_SCAN_MODE_GRAY); +} + +static int is_gray_16 (pixma_t * s) +{ + return (s->param->mode == PIXMA_SCAN_MODE_GRAY_16); +} + +static int is_gray_negative (pixma_t * s) +{ + return (s->param->mode == PIXMA_SCAN_MODE_NEGATIVE_GRAY); +} + +static int is_gray_all (pixma_t * s) +{ + return (is_gray (s) || is_gray_16 (s) || is_gray_negative (s)); +} + +static int is_lineart (pixma_t * s) +{ + return (s->param->mode == PIXMA_SCAN_MODE_LINEART); +} + +static int is_tpuir (pixma_t * s) +{ + return (s->param->mode == PIXMA_SCAN_MODE_TPUIR); +} + +/* CCD sensors don't have neither a Grayscale mode nor a Lineart mode, + * but use color mode instead */ +static unsigned get_cis_ccd_line_size (pixma_t * s) +{ + return (( + s->param->wx ? s->param->line_size / s->param->w * s->param->wx + : s->param->line_size) + * ((is_tpuir (s) || is_gray_all (s) || is_lineart (s)) ? 3 : 1)); +} + +static unsigned calc_shifting (pixma_t * s) +{ + mp810_t *mp = (mp810_t *) s->subdriver; + + /* If stripes shift needed (CCD devices), how many pixels shift */ + mp->stripe_shift = 0; + mp->stripe_shift2 = 0; + mp->jumplines = 0; + + switch (s->cfg->pid) + { + case MP970_PID: /* MP970 at 4800 dpi */ + case CS8800F_PID: /* CanoScan 8800F at 4800 dpi */ + if (s->param->xdpi == 4800) + { + if (is_scanning_from_tpu (s)) + mp->stripe_shift = 6; + else + mp->stripe_shift = 3; + } + break; + + case CS9000F_PID: /* CanoScan 9000F at 4800 dpi */ + case CS9000F_MII_PID: + if (s->param->xdpi == 4800) + { + if (is_scanning_from_tpu (s)) + mp->stripe_shift = 6; /* should work for CS9000F same as manual */ + else + mp->stripe_shift = 3; + } + if (s->param->xdpi == 9600) + { + if (is_scanning_from_tpu (s)) + { + /* need to double up for TPU */ + mp->stripe_shift = 6; /* for 1st set of 4 images */ + /* unfortunately there are 2 stripe shifts */ + mp->stripe_shift2 = 6; /* for 2nd set of 4 images */ + mp->jumplines = 32; /* try 33 or 34 */ + } + /* there is no 9600dpi support in flatbed mode */ + } + break; + + case MP960_PID: + if (s->param->xdpi == 2400) + { + if (is_scanning_from_tpu (s)) + mp->stripe_shift = 6; + else + mp->stripe_shift = 3; + } + if (s->param->xdpi == 4800) + { + if (is_scanning_from_tpu (s)) + { + mp->stripe_shift = 6; + mp->stripe_shift2 = 6; + } + else + { + mp->stripe_shift = 3; + mp->stripe_shift2 = 3; + } + mp->jumplines = 33; /* better than 32 or 34 : applies to flatbed & TPU */ + } + break; + + case MP810_PID: + if (s->param->xdpi == 2400) + { + if (is_scanning_from_tpu (s)) + mp->stripe_shift = 6; + else + mp->stripe_shift = 3; + } + if (s->param->xdpi == 4800) + { + if (is_scanning_from_tpu (s)) + { + mp->stripe_shift = 6; + mp->stripe_shift2 = 6; + } + else + { + mp->stripe_shift = 3; + mp->stripe_shift2 = 3; + } + mp->jumplines = 33; /* better than 32 or 34 : applies to flatbed & TPU */ + } + break; + + default: /* Default, and all CIS devices */ + break; + } + /* If color plane shift (CCD devices), how many pixels shift */ + mp->color_shift = mp->shift[0] = mp->shift[1] = mp->shift[2] = 0; + if (s->param->ydpi > 75) + { + switch (s->cfg->pid) + { + case MP970_PID: + case CS8800F_PID: /* CanoScan 8800F */ + mp->color_shift = s->param->ydpi / 50; + mp->shift[1] = mp->color_shift * get_cis_ccd_line_size (s); + mp->shift[0] = 0; + mp->shift[2] = 2 * mp->shift[1]; + break; + + case CS9000F_PID: /* CanoScan 9000F */ + case CS9000F_MII_PID: + mp->color_shift = s->param->ydpi / 30; + mp->shift[1] = mp->color_shift * get_cis_ccd_line_size (s); + mp->shift[0] = 0; + mp->shift[2] = 2 * mp->shift[1]; + break; + + case MP980_PID: + case MP990_PID: + case MG8200_PID: + if (s->param->ydpi > 150) + { + mp->color_shift = s->param->ydpi / 75; + mp->shift[1] = mp->color_shift * get_cis_ccd_line_size (s); + mp->shift[0] = 0; + mp->shift[2] = 2 * mp->shift[1]; + } + break; + + case MP810_PID: + case MP960_PID: + mp->color_shift = s->param->ydpi / 50; + if (is_scanning_from_tpu (s)) + mp->color_shift = s->param->ydpi / 50; + mp->shift[1] = mp->color_shift * get_cis_ccd_line_size (s); + mp->shift[0] = 2 * mp->shift[1]; + mp->shift[2] = 0; + break; + + default: + break; + } + } + /* special settings for 16 bit flatbed mode @ 75 dpi + * minimum of 150 dpi is used yet */ + /* else if (!is_scanning_from_tpu (s)) + { + switch (s->cfg->pid) + { + case CS9000F_PID: + case CS9000F_MII_PID: + if (is_color_48 (s) || is_gray_16 (s)) + { + mp->color_shift = 5; + mp->shift[1] = 0; + mp->shift[0] = 0; + mp->shift[2] = 0; + } + break; + } + } */ + /* PDBG (pixma_dbg (4, "*calc_shifing***** color_shift = %u, stripe_shift = %u, jumplines = %u *****\n", + mp->color_shift, mp->stripe_shift, mp->jumplines)); */ + return (2 * mp->color_shift + mp->stripe_shift + mp->jumplines); /* note impact of stripe shift2 later if needed! */ +} + +static int send_scan_param (pixma_t * s) +{ + mp810_t *mp = (mp810_t *) s->subdriver; + uint8_t *data; + unsigned raw_width = calc_raw_width (mp, s->param); + unsigned h, h1, h2, shifting; + + /* TPU scan does not support lineart */ + if (is_scanning_from_tpu (s) && is_lineart (s)) + { + return PIXMA_ENOTSUP; + } + + shifting = calc_shifting (s); + h1 = s->param->h + shifting; /* add lines for color shifting */ + /* PDBG (pixma_dbg (4, "* send_scan_param: height calc (choose lesser) 1 %u \n", h1 )); */ + if (mp->generation >= 4) /* use most global condition */ + { + /* tested for MP960, 9000F */ + /* add lines for color shifting */ + /* otherwise you cannot scan all lines defined for flatbed mode */ + /* this shouldn't affect TPU mode */ + h2 = s->cfg->height * s->param->ydpi / 75 + shifting; + /* PDBG (pixma_dbg (4, "* send_scan_param: height calc (choose lesser) 2 %u = %u max. lines for scanner + %u lines for color shifting \n", h2, s->cfg->height * s->param->ydpi / 75, shifting )); */ + } + else + { + /* TODO: Check for other scanners. */ + h2 = s->cfg->height * s->param->ydpi / 75; /* this might be causing problems for generation 1 devices */ + /* PDBG (pixma_dbg (4, "* send_scan_param: height calc (choose lesser) 2 %u \n", h2 )); */ + } + h = MIN (h1, h2); + + if (mp->generation <= 2) + { + data = pixma_newcmd (&mp->cb, cmd_scan_param, 0x30, 0); + pixma_set_be16 (s->param->xdpi | 0x8000, data + 0x04); + pixma_set_be16 (s->param->ydpi | 0x8000, data + 0x06); + pixma_set_be32 (s->param->x, data + 0x08); + if (mp->generation == 2) + pixma_set_be32 (s->param->x - s->param->xs, data + 0x08); + pixma_set_be32 (s->param->y, data + 0x0c); + pixma_set_be32 (raw_width, data + 0x10); + pixma_set_be32 (h, data + 0x14); + data[0x18] = + ((s->param->channels != 1) || is_gray_all (s) || is_lineart (s)) ? + 0x08 : 0x04; + data[0x19] = ((s->param->software_lineart) ? 8 : s->param->depth) + * ((is_gray_all (s) || is_lineart (s)) ? 3 : s->param->channels); /* bits per pixel */ + data[0x1a] = (is_scanning_from_tpu (s) ? 1 : 0); + data[0x20] = 0xff; + data[0x23] = 0x81; + data[0x26] = 0x02; + data[0x27] = 0x01; + } + else + { + /* scan parameters: + * ================ + * + * byte | # of | mode | value / description + * | bytes | | + * -----+-------+---------+--------------------------- + * 0x00 | 1 | default | 0x01 + * | | adf | 0x02 + * | | tpu | 0x04 + * | | tpuir | cs9000f: 0x03 + * -----+-------+---------+--------------------------- + * 0x01 | 1 | default | 0x00 + * | | tpu | 0x02 + * -----+-------+---------+--------------------------- + * 0x02 | 1 | default | 0x01 + * | | adfdup | 0x03 + * -----+-------+---------+--------------------------- + * 0x03 | 1 | default | 0x00 + * | | adfdup | 0x03 + * -----+-------+---------+--------------------------- + * 0x04 | 1 | all | 0x00 + * -----+-------+---------+--------------------------- + * 0x05 | 1 | all | 0x01: This one also seen at 0. Don't know yet what's used for. + * -----+-------+---------+--------------------------- + * ... | 1 | all | 0x00 + * -----+-------+---------+--------------------------- + * 0x08 | 2 | all | xdpi | 0x8000 + * -----+-------+---------+--------------------------- + * 0x0a | 2 | all | ydpi | 0x8000: Must be the same as xdpi. + * -----+-------+---------+--------------------------- + * 0x0c | 4 | all | x position of start pixel + * -----+-------+---------+--------------------------- + * 0x10 | 4 | all | y position of start pixel + * -----+-------+---------+--------------------------- + * 0x14 | 4 | all | # of pixels in 1 line + * -----+-------+---------+--------------------------- + * 0x18 | 4 | all | # of scan lines + * -----+-------+---------+--------------------------- + * 0x1c | 1 | all | 0x08 + * | | | 0x04 = relict from cis scanners? + * -----+-------+---------+--------------------------- + * 0x1d | 1 | all | # of bits per pixel + * -----+-------+---------+--------------------------- + * 0x1e | 1 | default | 0x00: paper + * | | tpu | 0x01: positives + * | | tpu | 0x02: negatives + * | | tpuir | 0x01: positives + * -----+-------+---------+--------------------------- + * 0x1f | 1 | all | 0x01 + * | | | cs9000f: 0x00: Not sure if that is because of positives. + * -----+-------+---------+--------------------------- + * 0x20 | 1 | all | 0xff + * -----+-------+---------+--------------------------- + * 0x21 | 1 | all | 0x81 + * -----+-------+---------+--------------------------- + * 0x22 | 1 | all | 0x00 + * -----+-------+---------+--------------------------- + * 0x23 | 1 | all | 0x02 + * -----+-------+---------+--------------------------- + * 0x24 | 1 | all | 0x01 + * -----+-------+---------+--------------------------- + * 0x25 | 1 | default | 0x00; cs8800f: 0x01 + * | | tpu | 0x00; cs9000f, mg8200: 0x01 + * | | tpuir | cs9000f: 0x00 + * -----+-------+---------+--------------------------- + * ... | 1 | all | 0x00 + * -----+-------+---------+--------------------------- + * 0x30 | 1 | all | 0x01 + * + */ + + data = pixma_newcmd (&mp->cb, cmd_scan_param_3, 0x38, 0); + data[0x00] = is_scanning_from_adf (s) ? 0x02 : 0x01; + data[0x01] = 0x01; + if (is_scanning_from_tpu (s)) + { + data[0x00] = is_tpuir (s) ? 0x03 : 0x04; + data[0x01] = 0x02; + data[0x1e] = 0x02; /* NB: CanoScan 8800F: 0x02->negatives, 0x01->positives, paper->0x00 */ + } + data[0x02] = 0x01; + if (is_scanning_from_adfdup (s)) + { + data[0x02] = 0x03; + data[0x03] = 0x03; + } + if (s->cfg->pid != MG8200_PID) + data[0x05] = 0x01; /* This one also seen at 0. Don't know yet what's used for */ + /* the scanner controls the scan */ + /* no software control needed */ + pixma_set_be16 (s->param->xdpi | 0x8000, data + 0x08); + pixma_set_be16 (s->param->ydpi | 0x8000, data + 0x0a); + /*PDBG (pixma_dbg (4, "*send_scan_param***** Setting: xdpi=%hi ydpi=%hi x=%u y=%u w=%u h=%u ***** \n", + s->param->xdpi,s->param->ydpi,(s->param->x)-(s->param->xs),s->param->y,raw_width,h));*/ + pixma_set_be32 (s->param->x - s->param->xs, data + 0x0c); + pixma_set_be32 (s->param->y, data + 0x10); + pixma_set_be32 (raw_width, data + 0x14); + pixma_set_be32 (h, data + 0x18); + data[0x1c] = ((s->param->channels != 1) || is_tpuir (s) || is_gray_all (s) || is_lineart (s)) ? 0x08 : 0x04; + +#ifdef DEBUG_TPU_48 + data[0x1d] = 24; +#else + data[0x1d] = (is_scanning_from_tpu (s)) ? 48 + : (((s->param->software_lineart) ? 8 : s->param->depth) + * ((is_tpuir (s) || is_gray_all (s) || is_lineart (s)) ? 3 : s->param->channels)); /* bits per pixel */ +#endif + + data[0x1f] = 0x01; /* for 9000F this appears to be 0x00, not sure if that is because of positives */ + + if (s->cfg->pid == CS9000F_PID || s->cfg->pid == CS9000F_MII_PID || s->cfg->pid == MG8200_PID) + { + data[0x1f] = 0x00; + } + + data[0x20] = 0xff; + data[0x21] = 0x81; + data[0x23] = 0x02; + data[0x24] = 0x01; + + /* MG8200 addition */ + if (s->cfg->pid == MG8200_PID) + { + if (is_scanning_from_tpu (s)) + { + data[0x25] = 0x01; + } + } + + /* CS8800F & CS9000F addition */ + if (s->cfg->pid == CS8800F_PID || s->cfg->pid == CS9000F_PID || s->cfg->pid == CS9000F_MII_PID) + { + if (is_scanning_from_tpu (s)) + { /* TPU */ + /* 0x02->negatives, 0x01->positives, paper->0x00 + * no paper in TPU mode */ + if (s->param->mode == PIXMA_SCAN_MODE_NEGATIVE_COLOR + || s->param->mode == PIXMA_SCAN_MODE_NEGATIVE_GRAY) + { + PDBG( + pixma_dbg (4, "*send_scan_param***** TPU scan negatives *****\n")); + data[0x1e] = 0x02; + } + else + { + PDBG( + pixma_dbg (4, "*send_scan_param***** TPU scan positives *****\n")); + data[0x1e] = 0x01; + } + /* CS8800F: 0x00 for TPU color management */ + if (s->cfg->pid == CS8800F_PID) + data[0x25] = 0x00; + /* CS9000F: 0x01 for TPU */ + if (s->cfg->pid == CS9000F_PID || s->cfg->pid == CS9000F_MII_PID) + data[0x25] = 0x01; + if (s->param->mode == PIXMA_SCAN_MODE_TPUIR) + data[0x25] = 0x00; + } + else + { /* flatbed and ADF */ + /* paper->0x00 */ + data[0x1e] = 0x00; + /* CS8800F: 0x01 normally */ + if (s->cfg->pid == CS8800F_PID) + data[0x25] = 0x01; + /* CS9000F: 0x00 normally */ + if (s->cfg->pid == CS9000F_PID || s->cfg->pid == CS9000F_MII_PID) + data[0x25] = 0x00; + } + } + + data[0x30] = 0x01; + } + return pixma_exec (s, &mp->cb); +} + +static int query_status_3 (pixma_t * s) +{ + mp810_t *mp = (mp810_t *) s->subdriver; + uint8_t *data; + int error, status_len; + + status_len = 8; + data = pixma_newcmd (&mp->cb, cmd_status_3, 0, status_len); + RET_IF_ERR(pixma_exec (s, &mp->cb)); + memcpy (mp->current_status, data, status_len); + return error; +} + +static int query_status (pixma_t * s) +{ + mp810_t *mp = (mp810_t *) s->subdriver; + uint8_t *data; + int error, status_len; + + status_len = (mp->generation == 1) ? 12 : 16; + data = pixma_newcmd (&mp->cb, cmd_status, 0, status_len); + RET_IF_ERR(pixma_exec (s, &mp->cb)); + memcpy (mp->current_status, data, status_len); + PDBG( + pixma_dbg (3, "Current status: paper=%u cal=%u lamp=%u busy=%u\n", data[1], data[8], data[7], data[9])); + return error; +} + +static int send_time (pixma_t * s) +{ + /* Why does a scanner need a time? */ + time_t now; + struct tm *t; + uint8_t *data; + mp810_t *mp = (mp810_t *) s->subdriver; + + data = pixma_newcmd (&mp->cb, cmd_time, 20, 0); + pixma_get_time (&now, NULL); + t = localtime (&now); + snprintf ((char *) data, 16, "%02d/%02d/%02d %02d:%02d", t->tm_year % 100, + t->tm_mon + 1, t->tm_mday, t->tm_hour, t->tm_min); + PDBG(pixma_dbg (3, "Sending time: '%s'\n", (char *) data)); + return pixma_exec (s, &mp->cb); +} + +/* TODO: Simplify this function. Read the whole data packet in one shot. */ +static int read_image_block (pixma_t * s, uint8_t * header, uint8_t * data) +{ + uint8_t cmd[16]; + mp810_t *mp = (mp810_t *) s->subdriver; + const int hlen = 8 + 8; + int error, datalen; + + memset (cmd, 0, sizeof(cmd)); + /* PDBG (pixma_dbg (4, "* read_image_block: last_block\n", mp->last_block)); */ + pixma_set_be16 (cmd_read_image, cmd); + if ((mp->last_block & 0x20) == 0) + pixma_set_be32 ((IMAGE_BLOCK_SIZE / 65536) * 65536 + 8, cmd + 0xc); + else + pixma_set_be32 (32 + 8, cmd + 0xc); + + mp->state = state_transfering; + mp->cb.reslen = pixma_cmd_transaction (s, cmd, sizeof(cmd), mp->cb.buf, 512); /* read 1st 512 bytes of image block */ + datalen = mp->cb.reslen; + if (datalen < 0) + return datalen; + + memcpy (header, mp->cb.buf, hlen); + /* PDBG (pixma_dbg (4, "* read_image_block: datalen %i\n", datalen)); */ + /* PDBG (pixma_dbg (4, "* read_image_block: hlen %i\n", hlen)); */ + if (datalen >= hlen) + { + datalen -= hlen; + memcpy (data, mp->cb.buf + hlen, datalen); + data += datalen; + if (mp->cb.reslen == 512) + { /* read the rest of the image block */ + error = pixma_read (s->io, data, IMAGE_BLOCK_SIZE - 512 + hlen); + RET_IF_ERR(error); + datalen += error; + } + } + + mp->state = state_scanning; + mp->cb.expected_reslen = 0; + RET_IF_ERR(pixma_check_result (&mp->cb)); + if (mp->cb.reslen < hlen) + return PIXMA_EPROTO; + return datalen; +} + +static int read_error_info (pixma_t * s, void *buf, unsigned size) +{ + unsigned len = 16; + mp810_t *mp = (mp810_t *) s->subdriver; + uint8_t *data; + int error; + + data = pixma_newcmd (&mp->cb, cmd_error_info, 0, len); + RET_IF_ERR(pixma_exec (s, &mp->cb)); + if (buf && len < size) + { + size = len; + /* NOTE: I've absolutely no idea what the returned data mean. */ + memcpy (buf, data, size); + error = len; + } + return error; +} + +/* + handle_interrupt() waits until it receives an interrupt packet or times out. + It calls send_time() and query_status() if necessary. Therefore, make sure + that handle_interrupt() is only called from a safe context for send_time() + and query_status(). + + Returns: + 0 timed out + 1 an interrupt packet received + PIXMA_ECANCELED interrupted by signal + <0 error + */ +static int handle_interrupt (pixma_t * s, int timeout) +{ + uint8_t buf[64]; /* check max. packet size with 'lsusb -v' for "EP 9 IN" */ + int len; + + len = pixma_wait_interrupt (s->io, buf, sizeof(buf), timeout); + if (len == PIXMA_ETIMEDOUT) + return 0; + if (len < 0) + return len; + if (len%16) /* len must be a multiple of 16 bytes */ + { + PDBG(pixma_dbg (1, "WARNING:unexpected interrupt packet length %d\n", len)); + return PIXMA_EPROTO; + } + + /* s->event = 0x0brroott + * b: button + * oo: original + * tt: target + * rr: scan resolution + * poll event with 'scanimage -A' */ + if (s->cfg->pid == MG8200_PID) + /* button no. in buf[7] + * size in buf[10] 01=A4; 02=Letter; 08=10x15; 09=13x18; 0b=auto + * format in buf[11] 01=JPEG; 02=TIFF; 03=PDF; 04=Kompakt-PDF + * dpi in buf[12] 01=75; 02=150; 03=300; 04=600 + * target = format; original = size; scan-resolution = dpi */ + { + if (buf[7] & 1) + s->events = PIXMA_EV_BUTTON1 | buf[11] | buf[10]<<8 | buf[12]<<16; /* color scan */ + if (buf[7] & 2) + s->events = PIXMA_EV_BUTTON2 | buf[11] | buf[10]<<8 | buf[12]<<16; /* b/w scan */ + } + else if (s->cfg->pid == CS8800F_PID + || s->cfg->pid == CS9000F_PID + || s->cfg->pid == CS9000F_MII_PID) + /* button no. in buf[1] + * target = button no. + * "Finish PDF" is Button-2, all others are Button-1 */ + { + if ((s->cfg->pid == CS8800F_PID && buf[1] == 0x70) + || (s->cfg->pid != CS8800F_PID && buf[1] == 0x50)) + s->events = PIXMA_EV_BUTTON2 | buf[1] >> 4; /* button 2 = cancel / end scan */ + else + s->events = PIXMA_EV_BUTTON1 | buf[1] >> 4; /* button 1 = start scan */ + } + else + /* button no. in buf[0] + * original in buf[0] + * target in buf[1] */ + { + /* More than one event can be reported at the same time. */ + if (buf[3] & 1) + send_time (s); /* FIXME: some scanners hang here */ + if (buf[9] & 2) + query_status (s); + + if (buf[0] & 2) + s->events = PIXMA_EV_BUTTON2 | buf[1] | ((buf[0] & 0xf0) << 4); /* b/w scan */ + if (buf[0] & 1) + s->events = PIXMA_EV_BUTTON1 | buf[1] | ((buf[0] & 0xf0) << 4); /* color scan */ + } + return 1; +} + +static int init_ccd_lamp_3 (pixma_t * s) +{ + mp810_t *mp = (mp810_t *) s->subdriver; + uint8_t *data; + int error, status_len, tmo; + + status_len = 8; + RET_IF_ERR(query_status (s)); + RET_IF_ERR(query_status (s)); + RET_IF_ERR(send_cmd_start_calibrate_ccd_3 (s)); + RET_IF_ERR(query_status (s)); + tmo = 20; /* like Windows driver, CCD lamp adjustment */ + while (--tmo >= 0) + { + data = pixma_newcmd (&mp->cb, cmd_end_calibrate_ccd_3, 0, status_len); + RET_IF_ERR(pixma_exec (s, &mp->cb)); + memcpy (mp->current_status, data, status_len); + PDBG(pixma_dbg (3, "Lamp status: %u , timeout in: %u\n", data[0], tmo)); + if (mp->current_status[0] == 3 || !is_scanning_from_tpu (s)) + break; + WAIT_INTERRUPT(1000); + } + return error; +} + +static int wait_until_ready (pixma_t * s) +{ + mp810_t *mp = (mp810_t *) s->subdriver; + int error, tmo = 60; + + RET_IF_ERR((mp->generation >= 3) ? query_status_3 (s) : query_status (s)); + while (!is_calibrated (s)) + { + WAIT_INTERRUPT(1000); + if (mp->generation >= 3) + RET_IF_ERR(query_status_3 (s)); + if (--tmo == 0) + { + PDBG(pixma_dbg (1, "WARNING: Timed out in wait_until_ready()\n")); + PDBG(query_status (s)); + return PIXMA_ETIMEDOUT; + } + } + return 0; +} + +/* the RGB images are shifted by # of lines */ +/* the R image is shifted by colshift[0] */ +/* the G image is shifted by colshift[1] */ +/* the B image is shifted by colshift[2] */ +/* usually one of the RGB images must not be shifted */ +/* which one depends on the scanner */ +/* some scanners have an additional stripe shift */ +/* e.g. colshift[0]=0, colshift[1]=1, colshift[2]=2 */ +/* R image is OK: RGBRGBRGB... */ +/* ^^ ^^ ^^ */ +/* || || || */ +/* shift G image: RG|RG|RG|... */ +/* | | | */ +/* shift B image: RGBRGBRGB... */ +/* this doesn't affect the G and B images */ +/* G image will become the R image in the next run */ +/* B image will become the G image in the next run */ +/* the next line will become the B image in the next run */ +static uint8_t * +shift_colors (uint8_t * dptr, uint8_t * sptr, unsigned w, unsigned dpi, + unsigned pid, unsigned c, int * colshft, unsigned strshft) +{ + unsigned i, sr, sg, sb, st; + UNUSED(dpi); + UNUSED(pid); + sr = colshft[0]; + sg = colshft[1]; + sb = colshft[2]; + + /* PDBG (pixma_dbg (4, "*shift_colors***** c=%u, w=%i, sr=%u, sg=%u, sb=%u, strshft=%u ***** \n", + c, w, sr, sg, sb, strshft)); */ + + for (i = 0; i < w; i++) + { + /* stripes shift for MP970 at 4800 dpi, MP810 at 2400 dpi */ + st = (i % 2 == 0) ? strshft : 0; + + *sptr++ = *(dptr++ + sr + st); + if (c == 6) + *sptr++ = *(dptr++ + sr + st); + *sptr++ = *(dptr++ + sg + st); + if (c == 6) + *sptr++ = *(dptr++ + sg + st); + *sptr++ = *(dptr++ + sb + st); + if (c == 6) + *sptr++ = *(dptr++ + sb + st); + } + + return dptr; +} + +static uint8_t * +shift_colorsCS9000 (uint8_t * dptr, uint8_t * sptr, unsigned w, unsigned dpi, + unsigned pid, unsigned c, int * colshft, unsigned strshft, + unsigned strshft2, unsigned jump) + +{ + unsigned i, sr, sg, sb, st, st2; + UNUSED(dpi); + UNUSED(pid); + sr = colshft[0]; + sg = colshft[1]; + sb = colshft[2]; + + for (i = 0; i < w; i++) + { + if (i < (w / 2)) + { + /* stripes shift for 1st 4 images for Canoscan 9000F at 9600dpi */ + st = (i % 2 == 0) ? strshft : 0; + *sptr++ = *(dptr++ + sr + st); + if (c == 6) + *sptr++ = *(dptr++ + sr + st); + *sptr++ = *(dptr++ + sg + st); + if (c == 6) + *sptr++ = *(dptr++ + sg + st); + *sptr++ = *(dptr++ + sb + st); + if (c == 6) + *sptr++ = *(dptr++ + sb + st); + } + if (i >= (w / 2)) + { + /* stripes shift for 2nd 4 images for Canoscan 9000F at 9600dpi */ + st2 = (i % 2 == 0) ? strshft2 : 0; + *sptr++ = *(dptr++ + sr + jump + st2); + if (c == 6) + *sptr++ = *(dptr++ + sr + jump + st2); + *sptr++ = *(dptr++ + sg + jump + st2); + if (c == 6) + *sptr++ = *(dptr++ + sg + jump + st2); + *sptr++ = *(dptr++ + sb + jump + st2); + if (c == 6) + *sptr++ = *(dptr++ + sb + jump + st2); + } + } + return dptr; +} + +static uint8_t * +shift_colorsCS9000_4800 (uint8_t * dptr, uint8_t * sptr, unsigned w, + unsigned dpi, unsigned pid, unsigned c, int * colshft, + unsigned strshft, unsigned strshft2, unsigned jump) + +{ + unsigned i, sr, sg, sb, st2; + UNUSED(dpi); + UNUSED(pid); + UNUSED(strshft); + sr = colshft[0]; + sg = colshft[1]; + sb = colshft[2]; + + for (i = 0; i < w; i++) + { + /* stripes shift for 2nd 4 images + * for Canoscan 9000F with 16 bit flatbed scans at 4800dpi */ + st2 = (i % 2 == 0) ? strshft2 : 0; + *sptr++ = *(dptr++ + sr + jump + st2); + if (c == 6) + *sptr++ = *(dptr++ + sr + jump + st2); + *sptr++ = *(dptr++ + sg + jump + st2); + if (c == 6) + *sptr++ = *(dptr++ + sg + jump + st2); + *sptr++ = *(dptr++ + sb + jump + st2); + if (c == 6) + *sptr++ = *(dptr++ + sb + jump + st2); + } + return dptr; +} + +/* under some conditions some scanners have sub images in one line */ +/* e.g. doubled image, line size = 8 */ +/* line before reordering: px1 px3 px5 px7 px2 px4 px6 px8 */ +/* line after reordering: px1 px2 px3 px4 px5 px6 px7 px8 */ +static void reorder_pixels (uint8_t * linebuf, uint8_t * sptr, unsigned c, + unsigned n, unsigned m, unsigned w, + unsigned line_size) +{ + unsigned i; + + for (i = 0; i < w; i++) + { /* process complete line */ + memcpy (linebuf + c * (n * (i % m) + i / m), sptr + c * i, c); + } + memcpy (sptr, linebuf, line_size); +} + +/* special reorder matrix for mp960 */ +static void mp960_reorder_pixels (uint8_t * linebuf, uint8_t * sptr, unsigned c, + unsigned n, unsigned m, unsigned w, + unsigned line_size) +{ + unsigned i, i2; + + /* try and copy 2 px at once */ + for (i = 0; i < w; i++) + { /* process complete line */ + i2 = i % 2; + if (i < w / 2) + { + if (i2 == 0) + memcpy (linebuf + c * (n * ((i) % m) + ((i) / m)), sptr + c * i, c); + else + memcpy (linebuf + c * (n * ((i - 1) % m) + 1 + ((i) / m)), sptr + c * i, c); + } + else + { + if (i2 == 0) + memcpy (linebuf + c * (n * ((i) % m) + ((i) / m) + 1), sptr + c * i, c); + else + memcpy (linebuf + c * (n * ((i - 1) % m) + 1 + ((i) / m) + 1), sptr + c * i, c); + } + } + + memcpy (sptr, linebuf, line_size); +} + +/* special reorder matrix for mp970 */ +static void mp970_reorder_pixels (uint8_t * linebuf, uint8_t * sptr, unsigned c, + unsigned w, unsigned line_size) +{ + unsigned i, i8; + + for (i = 0; i < w; i++) + { /* process complete line */ + i8 = i % 8; + memcpy (linebuf + c * (i + i8 - ((i8 > 3) ? 7 : 0)), sptr + c * i, c); + } + memcpy (sptr, linebuf, line_size); +} + +/* special reorder matrix for CS9000F */ +static void cs9000f_initial_reorder_pixels (uint8_t * linebuf, uint8_t * sptr, + unsigned c, unsigned n, unsigned m, + unsigned w, unsigned line_size) +{ + unsigned i, i2; + + /* try and copy 2 px at once */ + for (i = 0; i < w; i++) + { /* process complete line */ + i2 = i % 2; + if (i < w / 8) + { + if (i2 == 0) + memcpy (linebuf + c * (n * ((i) % m) + ((i) / m)), sptr + c * i, c); + else + memcpy (linebuf + c * (n * ((i - 1) % m) + 1 + ((i) / m)), sptr + c * i, c); + } + else if (i >= w / 8 && i < w / 4) + { + if (i2 == 0) + memcpy (linebuf + c * (n * ((i) % m) + ((i) / m) + 1), sptr + c * i, c); + else + memcpy (linebuf + c * (n * ((i - 1) % m) + 1 + ((i) / m) + 1), sptr + c * i, c); + } + else if (i >= w / 4 && i < 3 * w / 8) + { + if (i2 == 0) + memcpy (linebuf + c * (n * ((i) % m) + ((i) / m) + 2), sptr + c * i, c); + else + memcpy (linebuf + c * (n * ((i - 1) % m) + 1 + ((i) / m) + 2), sptr + c * i, c); + } + else if (i >= 3 * w / 8 && i < w / 2) + { + if (i2 == 0) + memcpy (linebuf + c * (n * ((i) % m) + ((i) / m) + 3), sptr + c * i, c); + else + memcpy (linebuf + c * (n * ((i - 1) % m) + 1 + ((i) / m) + 3), sptr + c * i, c); + } + else if (i >= w / 2 && i < 5 * w / 8) + { + if (i2 == 0) + memcpy (linebuf + c * (n * ((i) % m) + ((i) / m) + 4), sptr + c * i, c); + else + memcpy (linebuf + c * (n * ((i - 1) % m) + 1 + ((i) / m) + 4), sptr + c * i, c); + } + else if (i >= 5 * w / 8 && i < 3 * w / 4) + { + if (i2 == 0) + memcpy (linebuf + c * (n * ((i) % m) + ((i) / m) + 5), sptr + c * i, c); + else + memcpy (linebuf + c * (n * ((i - 1) % m) + 1 + ((i) / m) + 5), sptr + c * i, c); + } + else if (i >= 3 * w / 4 && i < 7 * w / 8) + { + if (i2 == 0) + memcpy (linebuf + c * (n * ((i) % m) + ((i) / m) + 6), sptr + c * i, c); + else + memcpy (linebuf + c * (n * ((i - 1) % m) + 1 + ((i) / m) + 6), sptr + c * i, c); + } + else + { + if (i2 == 0) + memcpy (linebuf + c * (n * ((i) % m) + ((i) / m) + 7), sptr + c * i, c); + else + memcpy (linebuf + c * (n * ((i - 1) % m) + 1 + ((i) / m) + 7), sptr + c * i, c); + } + } + + memcpy (sptr, linebuf, line_size); +} + +/* CS9000F 9600dpi reorder: actually 4800dpi since each pixel is doubled */ +/* need to rearrange each sequence of 16 pairs of pixels as follows: */ +/* start px : 0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 */ +/* before : p1a p1b p1c p1d p2a p2b p2c p2d p3a p3b p3c p3d p4a p4b p4c p4d */ +/* after : p1a p3a p1b p3b p1c p3c p1d p3d p2a p4a p2b p4b p2c p4c p2d p4d */ +/* start px : 0 16 2 18 4 20 6 22 8 24 10 26 12 28 14 30 */ +/* change : * * * * * * * * * * * * * * */ +/* no change: * * */ +/* so the 1st and the 3rd set are interleaved, followed by the 2nd and 4th sets interleaved */ +static void cs9000f_second_reorder_pixels (uint8_t * linebuf, uint8_t * sptr, + unsigned c, unsigned w, + unsigned line_size) +{ + unsigned i, i8; + static const int shifts[8] = + { 2, 4, 6, 8, -8, -6, -4, -2 }; + + for (i = 0; i < w; i += 2) + { /* process complete line */ + i8 = (i >> 1) & 0x7; + /* Copy 2 pixels at once */ + memcpy (linebuf + c * (i + shifts[i8]), sptr + c * i, c * 2); + } + + memcpy (sptr, linebuf, line_size); +} + +#ifndef TPU_48 +static unsigned +pack_48_24_bpc (uint8_t * sptr, unsigned n) +{ + unsigned i; + uint8_t *cptr, lsb; + static uint8_t offset = 0; + + cptr = sptr; + if (n % 2 != 0) + PDBG (pixma_dbg (3, "WARNING: misaligned image.\n")); + for (i = 0; i < n; i += 2) + { + /* offset = 1 + (offset % 3); */ + lsb = *sptr++; + *cptr++ = ((*sptr++) << offset) | lsb >> (8 - offset); + } + return (n / 2); +} +#endif + +/* This function deals both with PIXMA CCD sensors producing shifted color + * planes images, Grayscale CCD scan and Generation >= 3 high dpi images. + * Each complete line in mp->imgbuf is processed for shifting CCD sensor + * color planes, reordering pixels above 600 dpi for Generation >= 3, and + * converting to Grayscale for CCD sensors. */ +static unsigned post_process_image_data (pixma_t * s, pixma_imagebuf_t * ib) +{ + mp810_t *mp = (mp810_t *) s->subdriver; + unsigned c, lines, line_size, n, m, cw, cx, reducelines; + uint8_t *sptr, *dptr, *gptr, *cptr; + unsigned /*color_shift, stripe_shift, stripe_shift2,*/ jumplines /*, height*/; + int test; + + /* For testers: */ + /* set this to 1 in order to get unprocessed images next to one another at 9600dpi */ + /* other resolutions should not be affected */ + /* set this to 2 if you want to see the same with jumplines=0 */ + test = 0; + jumplines = 0; + + c = ((is_tpuir (s) || is_gray_all (s) || is_lineart (s)) ? 3 : s->param->channels) + * ((s->param->software_lineart) ? 8 : s->param->depth) / 8; + cw = c * s->param->w; + cx = c * s->param->xs; + + /* PDBG (pixma_dbg (4, "*post_process_image_data***** c = %u, cw = %u, cx = %u *****\n", c, cw, cx)); */ + + if (mp->generation >= 3) + n = s->param->xdpi / 600; + else + /* FIXME: maybe need different values for CIS and CCD sensors */ + n = s->param->xdpi / 2400; + + /* Some exceptions to global rules here */ + if (s->cfg->pid == MP970_PID || s->cfg->pid == MP990_PID || s->cfg->pid == MG8200_PID + || s->cfg->pid == CS8800F_PID || s->cfg->pid == CS9000F_PID || s->cfg->pid == CS9000F_MII_PID) + n = MIN (n, 4); + + /* exception for 9600dpi on Canoscan 9000F */ + if ((s->cfg->pid == CS9000F_PID || s->cfg->pid == CS9000F_MII_PID) && (s->param->xdpi == 9600)) + { + n = 8; + if (test > 0) + n = 1; /* test if 8 images are next to one another */ + } + + /* test if 2 images are next to one another */ + if ((s->cfg->pid == MP960_PID) && (s->param->xdpi == 4800) && (test > 0)) + { + n = 1; + } + + m = (n > 0) ? s->param->wx / n : 1; + + sptr = dptr = gptr = cptr = mp->imgbuf; + line_size = get_cis_ccd_line_size (s); + /* PDBG (pixma_dbg (4, "*post_process_image_data***** ----- Set n=%u, m=%u, line_size=%u ----- ***** \n", n, m, line_size)); */ + /* PDBG (pixma_dbg (4, "*post_process_image_data***** ----- spr=dpr=%u, linebuf=%u ----- ***** \n", sptr, mp->linebuf)); */ + + lines = (mp->data_left_ofs - mp->imgbuf) / line_size; + /* PDBG (pixma_dbg (4, "*post_process_image_data***** lines = %i > 2 * mp->color_shift + mp->stripe_shift = %i ***** \n", + lines, 2 * mp->color_shift + mp->stripe_shift)); */ + /* PDBG (pixma_dbg (4, "*post_process_image_data***** mp->color_shift = %u, mp->stripe_shift = %u, , mp->stripe_shift2 = %u ***** \n", + mp->color_shift, mp->stripe_shift, mp->stripe_shift2)); */ + + /*color_shift = mp->color_shift;*/ + /*stripe_shift = mp->stripe_shift;*/ + /*stripe_shift2 = mp->stripe_shift2;*/ + jumplines = mp->jumplines; + + /* height not needed here! */ + /* removed to avoid confusion */ + /* height = MIN (s->param->h + calc_shifting (s), + s->cfg->height * s->param->ydpi / 75); */ + + /* have to test if rounding down is OK or not -- currently 0.5 lines is rounded down */ + /* note stripe shifts doubled already in definitions */ + if ((s->cfg->pid == CS9000F_PID || s->cfg->pid == CS9000F_MII_PID) && (s->param->xdpi == 9600) && (test > 0)) + { + /* using test==2 you can check in GIMP the required offset, and + use the below line (uncommented) and replace XXX with that + number, and then compile again with test set to 1. */ + + jumplines = 32; + if (test == 2) + jumplines = 0; + } + + /* mp960 test */ + if ((s->cfg->pid == MP960_PID) && (s->param->xdpi == 4800) && (test > 0)) + { + jumplines = 32; + if (test == 2) + jumplines = 0; + } + + reducelines = ((2 * mp->color_shift + mp->stripe_shift) + jumplines); + /* PDBG (pixma_dbg (4, "*post_process_image_data: lines %u, reducelines %u \n", lines, reducelines)); */ + if (lines > reducelines) + { /* (line - reducelines) of image lines can be converted */ + unsigned i; + + lines -= reducelines; + + for (i = 0; i < lines; i++, sptr += line_size) + { /* convert only full image lines */ + /* Color plane and stripes shift needed by e.g. CCD */ + /* PDBG (pixma_dbg (4, "*post_process_image_data***** Processing with c=%u, n=%u, m=%u, w=%i, line_size=%u ***** \n", + c, n, m, s->param->wx, line_size)); */ + if (c >= 3) + { + if (((s->cfg->pid == CS9000F_PID || s->cfg->pid == CS9000F_MII_PID) && (s->param->xdpi == 9600)) + || ((s->cfg->pid == MP960_PID) && (s->param->xdpi == 4800)) + || ((s->cfg->pid == MP810_PID) && (s->param->xdpi == 4800))) + { + dptr = shift_colorsCS9000 (dptr, sptr, s->param->wx, s->param->xdpi, + s->cfg->pid, c, mp->shift, + mp->stripe_shift, mp->stripe_shift2, + jumplines * line_size); + } + + else if ((s->cfg->pid == CS9000F_PID || s->cfg->pid == CS9000F_MII_PID) /* 9000F: 16 bit flatbed scan at 4800dpi */ + && ((s->param->mode == PIXMA_SCAN_MODE_COLOR_48) + || (s->param->mode == PIXMA_SCAN_MODE_GRAY_16)) + && (s->param->xdpi == 4800) + && (s->param->source == PIXMA_SOURCE_FLATBED)) + dptr = shift_colorsCS9000_4800 (dptr, sptr, s->param->wx, + s->param->xdpi, s->cfg->pid, c, + mp->shift, mp->stripe_shift, + mp->stripe_shift2, + jumplines * line_size); + + else + /* all except 9000F at 9600dpi */ + dptr = shift_colors (dptr, sptr, s->param->wx, s->param->xdpi, + s->cfg->pid, c, mp->shift, mp->stripe_shift); + } + + /*PDBG (pixma_dbg (4, "*post_process_image_data***** test = %i *****\n", test)); */ + + /*--comment out all between this line and the one below for 9000F tests at 9600dpi or MP960 at 4800dpi ------*/ + /* if ( 0 ) */ + if ((((s->cfg->pid != CS9000F_PID && s->cfg->pid != CS9000F_MII_PID) || (s->param->xdpi < 9600)) + && ((s->cfg->pid != MP960_PID) || (s->param->xdpi < 4800)) + && ((s->cfg->pid != MP810_PID) || (s->param->xdpi < 4800))) + || (test == 0)) + { + /* PDBG (pixma_dbg (4, "*post_process_image_data***** MUST GET HERE WHEN TEST == 0 *****\n")); */ + + if (!((s->cfg->pid == MP810_PID) && (s->param->xdpi == 4800)) + && !((s->cfg->pid == MP960_PID) && (s->param->xdpi == 4800)) + && !((s->cfg->pid == CS9000F_PID || s->cfg->pid == CS9000F_MII_PID) && (s->param->xdpi == 9600))) + { /* for both flatbed & TPU */ + /* PDBG (pixma_dbg (4, "*post_process_image_data***** reordering pixels normal n = %i *****\n", n)); */ + reorder_pixels (mp->linebuf, sptr, c, n, m, s->param->wx, line_size); + } + + if ((s->cfg->pid == CS9000F_PID || s->cfg->pid == CS9000F_MII_PID) && (s->param->xdpi == 9600)) + { + /* PDBG (pixma_dbg (4, "*post_process_image_data***** cs900f_initial_reorder_pixels n = %i *****\n", n)); */ + /* this combines pixels from 8 images 2px at a time from left to right: 1122334455667788... */ + cs9000f_initial_reorder_pixels (mp->linebuf, sptr, c, n, m, + s->param->wx, line_size); + /* final interleaving */ + cs9000f_second_reorder_pixels (mp->linebuf, sptr, c, s->param->wx, + line_size); + } + + /* comment: special image format for MP960 in flatbed mode + at 4800dpi. It is actually 2400dpi, with each pixel + doubled. The TPU mode has proper pixel ordering */ + if ((((s->cfg->pid == MP960_PID) || (s->cfg->pid == MP810_PID)) && (s->param->xdpi == 4800)) + && (n > 0)) + { + /* for both flatbed & TPU */ + /* PDBG (pixma_dbg (4, "*post_process_image_data***** flatbed mp960_reordering pixels n = %i *****\n", n)); */ + mp960_reorder_pixels (mp->linebuf, sptr, c, n, m, s->param->wx, + line_size); + } + + /* comment: MP970, CS8800F, CS9000F specific reordering for 4800 dpi */ + if ((s->cfg->pid == MP970_PID || s->cfg->pid == CS8800F_PID + || s->cfg->pid == CS9000F_PID || s->cfg->pid == CS9000F_MII_PID) && (s->param->xdpi == 4800)) + { + /*PDBG (pixma_dbg (4, "*post_process_image_data***** mp970_reordering pixels n = %i *****\n", n)); */ + mp970_reorder_pixels (mp->linebuf, sptr, c, s->param->wx, line_size); + } + + } + /*-------------------------------------------------------*/ + + /* PDBG (pixma_dbg (4, "*post_process_image_data: sptr=%u, dptr=%u \n", sptr, dptr)); */ + + /* Crop line to selected borders */ + memmove (cptr, sptr + cx, cw); + /* PDBG (pixma_dbg (4, "*post_process_image_data***** crop line: cx=%u, cw=%u ***** \n", cx, cw)); */ + + /* Color to Lineart convert for CCD sensor */ + if (is_lineart (s)) + cptr = gptr = pixma_binarize_line (s->param, gptr, cptr, s->param->w, c); +#ifndef TPUIR_USE_RGB + /* save IR only for CCD sensor */ + else if (is_tpuir (s)) + cptr = gptr = pixma_r_to_ir (gptr, cptr, s->param->w, c); + /* Color to Grayscale convert for CCD sensor */ + else if (is_gray_all (s)) +#else + /* IR *and* Color to Grayscale convert for CCD sensor */ + else if (is_tpuir (s) || is_gray_all (s)) +#endif + cptr = gptr = pixma_rgb_to_gray (gptr, cptr, s->param->w, c); + else + cptr += cw; + } + /* PDBG (pixma_dbg (4, "*post_process_image_data: sptr=%u, dptr=%u \n", sptr, dptr)); */ + } + ib->rptr = mp->imgbuf; + ib->rend = cptr; + return mp->data_left_ofs - sptr; /* # of non processed bytes */ + /* contains shift color data for new lines */ + /* and already received data for the next line */ +} + +static int mp810_open (pixma_t * s) +{ + mp810_t *mp; + uint8_t *buf; + + mp = (mp810_t *) calloc (1, sizeof(*mp)); + if (!mp) + return PIXMA_ENOMEM; + + buf = (uint8_t *) malloc (CMDBUF_SIZE + IMAGE_BLOCK_SIZE); + if (!buf) + { + free (mp); + return PIXMA_ENOMEM; + } + + s->subdriver = mp; + mp->state = state_idle; + + mp->cb.buf = buf; + mp->cb.size = CMDBUF_SIZE; + mp->cb.res_header_len = 8; + mp->cb.cmd_header_len = 16; + mp->cb.cmd_len_field_ofs = 14; + + mp->imgbuf = buf + CMDBUF_SIZE; + + /* General rules for setting Pixma protocol generation # */ + mp->generation = (s->cfg->pid >= MP810_PID) ? 2 : 1; /* no generation 1 devices anyway, but keep similar to pixma_mp150.c file */ + + if (s->cfg->pid >= MP970_PID) + mp->generation = 3; + + if (s->cfg->pid >= MP990_PID) + mp->generation = 4; + + /* And exceptions to be added here */ + if (s->cfg->pid == CS8800F_PID) + mp->generation = 3; + + if (s->cfg->pid == CS9000F_PID || s->cfg->pid == CS9000F_MII_PID) + mp->generation = 4; + + /* TPU info data setup */ + mp->tpu_datalen = 0; + + if (mp->generation < 4) + { + /* Canoscan 8800F ignores commands if not initialized */ + if (s->cfg->pid == CS8800F_PID) + abort_session (s); + else + { + query_status (s); + handle_interrupt (s, 200); + if (mp->generation == 3 && has_ccd_sensor (s)) + send_cmd_start_calibrate_ccd_3 (s); + } + } + return 0; +} + +static void mp810_close (pixma_t * s) +{ + mp810_t *mp = (mp810_t *) s->subdriver; + + mp810_finish_scan (s); + free (mp->cb.buf); + free (mp); + s->subdriver = NULL; +} + +static int mp810_check_param (pixma_t * s, pixma_scan_param_t * sp) +{ + mp810_t *mp = (mp810_t *) s->subdriver; + unsigned w_max; + + /* PDBG (pixma_dbg (4, "*mp810_check_param***** Initially: channels=%u, depth=%u, x=%u, y=%u, w=%u, h=%u, xs=%u, wx=%u *****\n", + sp->channels, sp->depth, sp->x, sp->y, sp->w, sp->h, sp->xs, sp->wx)); */ + + sp->channels = 3; + sp->software_lineart = 0; + switch (sp->mode) + { + /* standard scan modes + * 8 bit per channel in color and grayscale mode + * 16 bit per channel with TPU */ + case PIXMA_SCAN_MODE_GRAY: + case PIXMA_SCAN_MODE_NEGATIVE_GRAY: + case PIXMA_SCAN_MODE_TPUIR: + sp->channels = 1; + /* fall through */ + case PIXMA_SCAN_MODE_COLOR: + case PIXMA_SCAN_MODE_NEGATIVE_COLOR: + sp->depth = 8; +#ifdef TPU_48 +#ifndef DEBUG_TPU_48 + if (sp->source == PIXMA_SOURCE_TPU) +#endif + sp->depth = 16; /* TPU in 16 bits mode */ +#endif + break; + /* extended scan modes for 48 bit flatbed scanners + * 16 bit per channel in color and grayscale mode */ + case PIXMA_SCAN_MODE_GRAY_16: + sp->channels = 1; + sp->depth = 16; + break; + case PIXMA_SCAN_MODE_COLOR_48: + sp->channels = 3; + sp->depth = 16; + break; + /* software lineart + * 1 bit per channel */ + case PIXMA_SCAN_MODE_LINEART: + sp->software_lineart = 1; + sp->channels = 1; + sp->depth = 1; + break; + } + + /* for software lineart w must be a multiple of 8 + * I don't know why is_lineart(s) doesn't work here */ + if (sp->software_lineart == 1 && sp->w % 8) + { + sp->w += 8 - (sp->w % 8); + + /* do not exceed the scanner capability */ + w_max = s->cfg->width * s->cfg->xdpi / 75; + w_max -= w_max % 8; + if (sp->w > w_max) + sp->w = w_max; + } + + if (sp->source == PIXMA_SOURCE_TPU && !sp->tpu_offset_added) + { + unsigned fixed_offset_y; /* TPU offsets for CanoScan 8800F, or other CCD at 300dpi. */ + unsigned max_y; /* max TPU height for CS9000F at 75 dpi */ + + /* CanoScan 8800F and others adding an offset depending on resolution */ + /* CS9000F and others maximum TPU height */ + switch (s->cfg->pid) + { + case CS8800F_PID: + fixed_offset_y = 140; + max_y = MIN (740, s->cfg->height); + break; + case CS9000F_PID: + case CS9000F_MII_PID: + fixed_offset_y = 146; + max_y = MIN (740, s->cfg->height); + break; + default: + fixed_offset_y = 0; + max_y = s->cfg->height; + break; + } + + /* cropping y and h to scanable area */ + max_y *= (sp->ydpi) / 75; + sp->y = MIN(sp->y, max_y); + sp->h = MIN(sp->h, max_y - sp->y); + /* PDBG (pixma_dbg (4, "*mp810_check_param***** Cropping: y=%u, h=%u *****\n", + sp->y, sp->h)); */ + if (!sp->h) + return SANE_STATUS_INVAL; /* no lines */ + + /* Convert the offsets from 300dpi to actual resolution */ + fixed_offset_y = fixed_offset_y * (sp->xdpi) / 300; + + /* In TPU mode, the CS9000F appears to always subtract 146 from the + vertical starting position, but clamps its at 0. Therefore vertical + offsets 0 through 146 (@300 dpi) get all mapped onto the same + physical starting position: line 0. Then, starting from 147, the + offsets get mapped onto successive physical lines: + y line + 0 -> 0 + 1 -> 0 + 2 -> 0 + ... + 146 -> 0 + 147 -> 1 + 148 -> 2 + ... + Since a preview scan is typically made starting from y = 0, but + partial image scans usually start at y >> 147, this results in a + discontinuity in the y to line mapping, resulting in wrong offsets. + To prevent this, we must always add (at least) 146 to the y + offset before it is sent to the scanner. The scanner will then + map y = 0 (146) to the first line, y = 1 (147) to the second line, + and so on. Any distance that is then measured on the preview scan, + can be translated without any discontinuity. + + However, there is one complication: during a preview scan, which + normally covers the whole scan area of the scanner, we should _not_ + add the offset because it will result in a reduced number of lines + being returned (the scan height is clamped in + pixma_check_scan_param()). Since the frontend has no way of telling + that the scan area has been reduced, it would derive an incorrect + effective scan resolution, and any position calculations based on + this would therefore be inaccurate. + + To prevent this, we don't add the offset in case y = 0, which is + typically the case during a preview scan (the scanner effectively + adds the offset for us, see above). In that way we keep the + linearity and we don't affect the scan area during previews. + */ + + if (sp->y > 0) + sp->y += fixed_offset_y; + + /* Prevent repeated corrections as check_param may be called multiple times */ + sp->tpu_offset_added = 1; + } + + if (mp->generation >= 2) + { + /* mod 32 and expansion of the X scan limits */ + /* PDBG (pixma_dbg (4, "*mp810_check_param***** (gen>=2) xs=mod32 ----- Initially: x=%u, y=%u, w=%u, h=%u *****\n", sp->x, sp->y, sp->w, sp->h)); */ + sp->xs = (sp->x) % 32; + } + else + { + sp->xs = 0; + /* PDBG (pixma_dbg (4, "*mp810_check_param***** (else) xs=0 Selected origin, origin shift: %u, %u *****\n", sp->x, sp->xs)); */ + } + sp->wx = calc_raw_width (mp, sp); + sp->line_size = sp->w * sp->channels * (((sp->software_lineart) ? 8 : sp->depth) / 8); /* bytes per line per color after cropping */ + /* PDBG (pixma_dbg (4, "*mp810_check_param***** (else) Final scan width and line-size: %u, %"PRIu64" *****\n", sp->wx, sp->line_size)); */ + + /* highest res is 600, 2400, 4800 or 9600 dpi */ + { + uint8_t k; + + if ((sp->source == PIXMA_SOURCE_ADF || sp->source == PIXMA_SOURCE_ADFDUP) + && mp->generation >= 4) + /* ADF/ADF duplex mode: max scan res is 600 dpi, at least for generation 4 */ + k = sp->xdpi / MIN (sp->xdpi, 600); + else if (sp->source == PIXMA_SOURCE_TPU && sp->mode == PIXMA_SCAN_MODE_TPUIR) + /* TPUIR mode: max scan res is 2400 dpi */ + k = sp->xdpi / MIN (sp->xdpi, 2400); + else if (sp->source == PIXMA_SOURCE_TPU && (s->cfg->pid == CS9000F_PID || s->cfg->pid == CS9000F_MII_PID)) + /* CS9000F in TPU mode */ + k = sp->xdpi / MIN (sp->xdpi, 9600); + else + /* default */ + k = sp->xdpi / MIN (sp->xdpi, 4800); + + sp->x /= k; + sp->xs /= k; + sp->y /= k; + sp->w /= k; + sp->wx /= k; + sp->h /= k; + sp->xdpi /= k; + sp->ydpi = sp->xdpi; + } + + /* lowest res is 75, 150, 300 or 600 dpi */ + { + uint8_t k; + + if (sp->source == PIXMA_SOURCE_TPU && sp->mode == PIXMA_SCAN_MODE_TPUIR) + /* TPUIR mode */ + k = MAX (sp->xdpi, 600) / sp->xdpi; + else if (sp->source == PIXMA_SOURCE_TPU + && ((mp->generation >= 3) || (s->cfg->pid == MP810_PID) || (s->cfg->pid == MP960_PID))) + /* TPU mode for generation 3+ scanners + * MP810, MP960 appear to have a 200dpi mode for low-res scans, not 150 dpi */ + k = MAX (sp->xdpi, 300) / sp->xdpi; + else if (sp->source == PIXMA_SOURCE_TPU + || sp->mode == PIXMA_SCAN_MODE_COLOR_48 || sp->mode == PIXMA_SCAN_MODE_GRAY_16) + /* TPU mode and 16 bit flatbed scans + * TODO: either the frontend (xsane) cannot handle 48 bit flatbed scans @ 75 dpi (prescan) + * or there is a bug in this subdriver */ + k = MAX (sp->xdpi, 150) / sp->xdpi; + else + /* default */ + k = MAX (sp->xdpi, 75) / sp->xdpi; + + sp->x *= k; + sp->xs *= k; + sp->y *= k; + sp->w *= k; + sp->wx *= k; + sp->h *= k; + sp->xdpi *= k; + sp->ydpi = sp->xdpi; + } + + /* PDBG (pixma_dbg (4, "*mp810_check_param***** Finally: channels=%u, depth=%u, x=%u, y=%u, w=%u, h=%u, xs=%u, wx=%u *****\n", + sp->channels, sp->depth, sp->x, sp->y, sp->w, sp->h, sp->xs, sp->wx)); */ + + return 0; +} + +static int mp810_scan (pixma_t * s) +{ + int error = 0, tmo; + mp810_t *mp = (mp810_t *) s->subdriver; + + if (mp->state != state_idle) + return PIXMA_EBUSY; + + /* Generation 4: send XML dialog */ + if (mp->generation == 4 && s->param->adf_pageid == 0) + { + if (!send_xml_dialog (s, XML_START_1)) + return PIXMA_EPROTO; + if (!send_xml_dialog (s, XML_START_2)) + return PIXMA_EPROTO; + } + + /* clear interrupt packets buffer */ + while (handle_interrupt (s, 0) > 0) + { + } + + /* FIXME: Duplex ADF: check paper status only before odd pages (1,3,5,...). */ + if (is_scanning_from_adf (s)) + { + if ((error = query_status (s)) < 0) + return error; + tmo = 10; + while (!has_paper (s) && --tmo >= 0) + { + WAIT_INTERRUPT(1000); + PDBG(pixma_dbg (2, "No paper in ADF. Timed out in %d sec.\n", tmo)); + } + if (!has_paper (s)) + return PIXMA_ENO_PAPER; + } + + if (has_ccd_sensor (s) && (mp->generation <= 2)) + { + error = send_cmd_e920 (s); + switch (error) + { + case PIXMA_ECANCELED: + case PIXMA_EBUSY: + PDBG(pixma_dbg (2, "cmd e920 or d520 returned %s\n", pixma_strerror (error))); + /* fall through */ + case 0: + query_status (s); + break; + default: + PDBG(pixma_dbg (1, "WARNING: cmd e920 or d520 failed %s\n", pixma_strerror (error))); + return error; + } + tmo = 3; /* like Windows driver, CCD calibration ? */ + while (--tmo >= 0) + { + WAIT_INTERRUPT(1000); + PDBG(pixma_dbg (2, "CCD Calibration ends in %d sec.\n", tmo)); + } + /* pixma_sleep(2000000); */ + } + + tmo = 10; + if (s->param->adf_pageid == 0 || mp->generation <= 2) + { + error = start_session (s); + while (error == PIXMA_EBUSY && --tmo >= 0) + { + if (s->cancel) + { + error = PIXMA_ECANCELED; + break; + } + PDBG(pixma_dbg (2, "Scanner is busy. Timed out in %d sec.\n", tmo + 1)); + pixma_sleep (1000000); + error = start_session (s); + } + if (error == PIXMA_EBUSY || error == PIXMA_ETIMEDOUT) + { + /* The scanner maybe hangs. We try to empty output buffer of the + * scanner and issue the cancel command. */ + PDBG(pixma_dbg (2, "Scanner hangs? Sending abort_session command.\n")); + drain_bulk_in (s); + abort_session (s); + pixma_sleep (500000); + error = start_session (s); + } + if ((error >= 0) || (mp->generation >= 3)) + mp->state = state_warmup; + if ((error >= 0) && (mp->generation <= 2)) + error = select_source (s); + if ((error >= 0) && (mp->generation >= 3) && has_ccd_sensor (s)) + error = init_ccd_lamp_3 (s); + if ((error >= 0) && !is_scanning_from_tpu (s)) + { + int i; + /* FIXME: 48 bit flatbed scans don't need gamma tables + * the code below doesn't run */ + /*if (is_color_48 (s) || is_gray_16 (s)) + error = 0; + else*/ + for (i = (mp->generation >= 3) ? 3 : 1; i > 0 && error >= 0; i--) + error = send_gamma_table (s); + } + else if (error >= 0) /* in TPU mode, for gen 1, 2, and 3 */ + error = send_set_tpu_info (s); + } + else + /* ADF pageid != 0 and gen3 or above */ + pixma_sleep (1000000); + + if ((error >= 0) || (mp->generation >= 3)) + mp->state = state_warmup; + if (error >= 0) + error = send_scan_param (s); + if ((error >= 0) && (mp->generation >= 3)) + error = start_scan_3 (s); + if (error < 0) + { + mp->last_block = 0x38; /* Force abort session if ADF scan */ + mp810_finish_scan (s); + return error; + } + return 0; +} + +static int mp810_fill_buffer (pixma_t * s, pixma_imagebuf_t * ib) +{ + int error; + mp810_t *mp = (mp810_t *) s->subdriver; + unsigned block_size, bytes_received, proc_buf_size, line_size; + uint8_t header[16]; + + if (mp->state == state_warmup) + { /* prepare read image data */ + /* PDBG (pixma_dbg (4, "**mp810_fill_buffer***** warmup *****\n")); */ + + RET_IF_ERR(wait_until_ready (s)); + pixma_sleep (1000000); /* No need to sleep, actually, but Window's driver + * sleep 1.5 sec. */ + mp->state = state_scanning; + mp->last_block = 0; + + line_size = get_cis_ccd_line_size (s); + proc_buf_size = (2 * calc_shifting (s) + 2) * line_size; + mp->cb.buf = realloc (mp->cb.buf, CMDBUF_SIZE + IMAGE_BLOCK_SIZE + proc_buf_size); + if (!mp->cb.buf) + return PIXMA_ENOMEM; + mp->linebuf = mp->cb.buf + CMDBUF_SIZE; + mp->imgbuf = mp->data_left_ofs = mp->linebuf + line_size; + mp->data_left_len = 0; + } + + do + { /* read complete image data from the scanner */ + if (s->cancel) + return PIXMA_ECANCELED; + if ((mp->last_block & 0x28) == 0x28) + { /* end of image */ + mp->state = state_finished; + /* PDBG (pixma_dbg (4, "**mp810_fill_buffer***** end of image *****\n")); */ + return 0; + } + /* PDBG (pixma_dbg (4, "*mp810_fill_buffer***** moving %u bytes into buffer *****\n", mp->data_left_len)); */ + memmove (mp->imgbuf, mp->data_left_ofs, mp->data_left_len); + error = read_image_block (s, header, mp->imgbuf + mp->data_left_len); + if (error < 0) + { + if (error == PIXMA_ECANCELED) + { + /* NOTE: I see this in traffic logs but I don't know its meaning. */ + read_error_info (s, NULL, 0); + } + return error; + } + + bytes_received = error; + /*PDBG (pixma_dbg (4, "*mp810_fill_buffer***** %u bytes received by read_image_block *****\n", bytes_received));*/ + block_size = pixma_get_be32 (header + 12); + mp->last_block = header[8] & 0x38; + if ((header[8] & ~0x38) != 0) + { + PDBG(pixma_dbg (1, "WARNING: Unexpected result header\n")); + PDBG(pixma_hexdump (1, header, 16)); + } + PASSERT(bytes_received == block_size); + + if (block_size == 0) + { /* no image data at this moment. */ + pixma_sleep (10000); + } + /* For TPU at 48 bits/pixel to output at 24 bits/pixel */ +#ifndef DEBUG_TPU_48 +#ifndef TPU_48 + PDBG (pixma_dbg (1, "WARNING: 9000F using 24 instead of 48 bit processing \n")); +#ifndef DEBUG_TPU_24 + if (is_scanning_from_tpu (s)) +#endif + bytes_received = pack_48_24_bpc (mp->imgbuf + mp->data_left_len, bytes_received); +#endif +#endif + /* Post-process the image data */ + mp->data_left_ofs = mp->imgbuf + mp->data_left_len + bytes_received; + mp->data_left_len = post_process_image_data (s, ib); + mp->data_left_ofs -= mp->data_left_len; + /* PDBG (pixma_dbg (4, "* mp810_fill_buffer: data_left_len %u \n", mp->data_left_len)); */ + /* PDBG (pixma_dbg (4, "* mp810_fill_buffer: data_left_ofs %u \n", mp->data_left_ofs)); */ + } + while (ib->rend == ib->rptr); + + return ib->rend - ib->rptr; +} + +static void mp810_finish_scan (pixma_t * s) +{ + int error; + mp810_t *mp = (mp810_t *) s->subdriver; + + switch (mp->state) + { + case state_transfering: + drain_bulk_in (s); + /* fall through */ + case state_scanning: + case state_warmup: + case state_finished: + /* Send the get TPU info message */ + if (is_scanning_from_tpu (s) && mp->tpu_datalen == 0) + send_get_tpu_info_3 (s); + /* FIXME: to process several pages ADF scan, must not send + * abort_session and start_session between pages (last_block=0x28) */ + if (mp->generation <= 2 || !is_scanning_from_adf (s) + || mp->last_block == 0x38) + { + error = abort_session (s); /* FIXME: it probably doesn't work in duplex mode! */ + if (error < 0) + PDBG(pixma_dbg (1, "WARNING:abort_session() failed %d\n", error)); + + /* Generation 4: send XML end of scan dialog */ + if (mp->generation == 4) + { + if (!send_xml_dialog (s, XML_END)) + PDBG(pixma_dbg (1, "WARNING:XML_END dialog failed \n")); + } + } + mp->state = state_idle; + /* fall through */ + case state_idle: + break; + } +} + +static void mp810_wait_event (pixma_t * s, int timeout) +{ + /* FIXME: timeout is not correct. See usbGetCompleteUrbNoIntr() for + * instance. */ + while (s->events == 0 && handle_interrupt (s, timeout) > 0) + { + } +} + +static int mp810_get_status (pixma_t * s, pixma_device_status_t * status) +{ + int error; + + RET_IF_ERR(query_status (s)); + status->hardware = PIXMA_HARDWARE_OK; + status->adf = (has_paper (s)) ? PIXMA_ADF_OK : PIXMA_ADF_NO_PAPER; + status->cal = + (is_calibrated (s)) ? PIXMA_CALIBRATION_OK : PIXMA_CALIBRATION_OFF; + return 0; +} + +static const pixma_scan_ops_t pixma_mp810_ops = +{ + mp810_open, + mp810_close, + mp810_scan, + mp810_fill_buffer, + mp810_finish_scan, + mp810_wait_event, + mp810_check_param, + mp810_get_status +}; + +#define DEVICE(name, model, pid, dpi, adftpu_min_dpi, adftpu_max_dpi, tpuir_min_dpi, tpuir_max_dpi, w, h, cap) { \ + name, /* name */ \ + model, /* model */ \ + CANON_VID, pid, /* vid pid */ \ + 0, /* iface */ \ + &pixma_mp810_ops, /* ops */ \ + dpi, 2*(dpi), /* xdpi, ydpi */ \ + adftpu_min_dpi, adftpu_max_dpi, /* adftpu_min_dpi, adftpu_max_dpi */ \ + tpuir_min_dpi, tpuir_max_dpi, /* tpuir_min_dpi, tpuir_max_dpi */ \ + w, h, /* width, height */ \ + PIXMA_CAP_EASY_RGB| \ + PIXMA_CAP_GRAY| /* all scanners with software grayscale */ \ + PIXMA_CAP_LINEART| /* all scanners with software lineart */ \ + PIXMA_CAP_GAMMA_TABLE|PIXMA_CAP_EVENTS|cap \ +} + +#define END_OF_DEVICE_LIST DEVICE(NULL, NULL, 0, 0, 0, 0, 0, 0, 0, 0, 0) + +const pixma_config_t pixma_mp810_devices[] = +{ + /* Generation 2: CCD */ + DEVICE ("Canon PIXMA MP810", "MP810", MP810_PID, 4800, 300, 0, 0, 0, 638, 877, PIXMA_CAP_CCD | PIXMA_CAP_TPU), + DEVICE ("Canon PIXMA MP960", "MP960", MP960_PID, 4800, 300, 0, 0, 0, 638, 877, PIXMA_CAP_CCD | PIXMA_CAP_TPU), + + /* Generation 3 CCD not managed as Generation 2 */ + DEVICE ("Canon Pixma MP970", "MP970", MP970_PID, 4800, 300, 0, 0, 0, 638, 877, PIXMA_CAP_CCD | PIXMA_CAP_TPU), + + /* Flatbed scanner CCD (2007) */ + DEVICE ("Canoscan 8800F", "8800F", CS8800F_PID, 4800, 300, 0, 0, 0, 638, 877, PIXMA_CAP_CCD | PIXMA_CAP_TPU /*| PIXMA_CAP_NEGATIVE*/ | PIXMA_CAP_48BIT), + + /* PIXMA 2008 vintage CCD */ + DEVICE ("Canon MP980 series", "MP980", MP980_PID, 4800, 300, 0, 0, 0, 638, 877, PIXMA_CAP_CCD | PIXMA_CAP_TPU), + + /* Generation 4 CCD */ + DEVICE ("Canon MP990 series", "MP990", MP990_PID, 4800, 300, 0, 0, 0, 638, 877, PIXMA_CAP_CCD | PIXMA_CAP_TPU), + + /* Flatbed scanner (2010) */ + DEVICE ("Canoscan 9000F", "9000F", CS9000F_PID, 4800, 300, 9600, 600, 2400, 638, 877, PIXMA_CAP_CCD | PIXMA_CAP_TPUIR /*| PIXMA_CAP_NEGATIVE*/ | PIXMA_CAP_48BIT), + + /* Latest devices (2010) Generation 4 CCD untested */ + DEVICE ("Canon PIXMA MG8100", "MG8100", MG8100_PID, 4800, 300, 0, 0, 0, 638, 877, PIXMA_CAP_CCD | PIXMA_CAP_TPU), + + /* Latest devices (2011) Generation 4 CCD untested */ + DEVICE ("Canon PIXMA MG8200", "MG8200", MG8200_PID, 4800, 300, 0, 0, 0, 638, 877, PIXMA_CAP_CCD | PIXMA_CAP_TPU), + + /* Flatbed scanner (2013) */ + DEVICE ("Canoscan 9000F Mark II", "9000FMarkII", CS9000F_MII_PID, 4800, 300, 9600, 600, 2400, 638, 877, PIXMA_CAP_CCD | PIXMA_CAP_TPUIR | PIXMA_CAP_48BIT), + + END_OF_DEVICE_LIST +}; |