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path: root/backend/pixma/pixma_mp150.c
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/* SANE - Scanner Access Now Easy.

   Copyright (C) 2011-2020 Rolf Bensch <rolf at bensch hyphen online dot de>
   Copyright (C) 2007-2009 Nicolas Martin, <nicols-guest at alioth dot debian dot org>
   Copyright (C) 2006-2007 Wittawat Yamwong <wittawat@web.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, see <https://www.gnu.org/licenses/>.

   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)
 */

#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 UNKNOWN_PID 0xffff


#define CANON_VID 0x04a9

/* Generation 1 */
#define MP150_PID 0x1709
#define MP170_PID 0x170a
#define MP450_PID 0x170b
#define MP500_PID 0x170c
#define MP530_PID 0x1712

/* Generation 2 */
#define MP160_PID 0x1714
#define MP180_PID 0x1715
#define MP460_PID 0x1716
#define MP510_PID 0x1717
#define MP600_PID 0x1718
#define MP600R_PID 0x1719

#define MP140_PID 0x172b

/* Generation 3 */
/* PIXMA 2007 vintage */
#define MX7600_PID 0x171c
#define MP210_PID 0x1721
#define MP220_PID 0x1722
#define MP470_PID 0x1723
#define MP520_PID 0x1724
#define MP610_PID 0x1725
#define MX300_PID 0x1727
#define MX310_PID 0x1728
#define MX700_PID 0x1729
#define MX850_PID 0x172c

/* PIXMA 2008 vintage */
#define MP630_PID 0x172e
#define MP620_PID 0x172f
#define MP540_PID 0x1730
#define MP480_PID 0x1731
#define MP240_PID 0x1732
#define MP260_PID 0x1733
#define MP190_PID 0x1734

/* PIXMA 2009 vintage */
#define MX860_PID 0x1735
#define MX320_PID 0x1736    /* untested */
#define MX330_PID 0x1737

/* Generation 4 */
#define MP250_PID 0x173a
#define MP270_PID 0x173b
#define MP490_PID 0x173c
#define MP550_PID 0x173d
#define MP560_PID 0x173e
#define MP640_PID 0x173f

/* PIXMA 2010 vintage */
#define MX340_PID 0x1741
#define MX350_PID 0x1742
#define MX870_PID 0x1743

/* 2010 new devices (untested) */
#define MP280_PID 0x1746
#define MP495_PID 0x1747
#define MG5100_PID 0x1748
#define MG5200_PID 0x1749
#define MG6100_PID 0x174a

/* PIXMA 2011 vintage */
#define MX360_PID 0x174d
#define MX410_PID 0x174e
#define MX420_PID 0x174f
#define MX880_PID 0x1750

/* Generation 5 */
/* 2011 new devices (untested) */
#define MG2100_PID 0x1751
#define MG3100_PID 0x1752
#define MG4100_PID 0x1753
#define MG5300_PID 0x1754
#define MG6200_PID 0x1755
#define MP493_PID 0x1757
#define E500_PID 0x1758

/* 2012 new devices (untested) */
#define MX370_PID 0x1759
#define MX430_PID 0x175B
#define MX510_PID 0x175C
#define MX710_PID 0x175D
#define MX890_PID 0x175E
#define E600_PID 0x175A
#define MG4200_PID 0x1763

/* 2013 new devices */
#define MP230_PID 0x175F
#define MG6300_PID 0x1765

/* 2013 new devices (untested) */
#define MG2200_PID 0x1760
#define E510_PID 0x1761
#define MG3200_PID 0x1762
#define MG5400_PID 0x1764
#define MX390_PID 0x1766
#define E610_PID 0x1767
#define MX450_PID 0x1768
#define MX520_PID 0x1769
#define MX720_PID 0x176a
#define MX920_PID 0x176b
#define MG2400_PID 0x176c
#define MG2500_PID 0x176d
#define MG3500_PID 0x176e
#define MG6500_PID 0x176f
#define MG6400_PID 0x1770
#define MG5500_PID 0x1771
#define MG7100_PID 0x1772

/* 2014 new devices (untested) */
#define MX470_PID 0x1774
#define MX530_PID 0x1775
#define MB5000_PID 0x1776
#define MB5300_PID 0x1777
#define MB2000_PID 0x1778
#define MB2300_PID 0x1779
#define E400_PID 0x177a
#define E560_PID 0x177b
#define MG7500_PID 0x177c
#define MG6600_PID 0x177e
#define MG5600_PID 0x177f
#define MG2900_PID 0x1780
#define E460_PID 0x1788

/* 2015 new devices (untested) */
#define MX490_PID 0x1787
#define E480_PID 0x1789
#define MG3600_PID 0x178a
#define MG7700_PID 0x178b
#define MG6900_PID 0x178c
#define MG6800_PID 0x178d
#define MG5700_PID 0x178e

/* 2016 new devices (untested) */
#define MB2700_PID 0x1792
#define MB2100_PID 0x1793
#define G3000_PID 0x1794
#define G2000_PID 0x1795
#define TS9000_PID 0x179f
#define TS8000_PID 0x1800       /* tested: TS8030 */
#define TS6000_PID 0x1801
#define TS5000_PID 0x1802
#define MG3000_PID 0x180b
#define E470_PID 0x180c
#define E410_PID 0x181e

/* 2017 new devices (untested) */
#define G4000_PID 0x181d
#define TS6100_PID 0x1822
#define TS5100_PID 0x1825
#define TS3100_PID 0x1827
#define E3100_PID 0x1828

/* 2018 new devices (untested) */
#define MB5400_PID 0x178f
#define MB5100_PID 0x1790
#define TS9100_PID 0x1820
#define TR8500_PID 0x1823
#define TR7500_PID 0x1824
#define TS9500_PID 0x185c
#define LIDE400_PID 0x1912  /* tested */
#define LIDE300_PID 0x1913  /* tested */

/* 2019 new devices (untested) */
#define TS8100_PID 0x1821
#define G2010_PID 0x183a
#define G3010_PID 0x183b
#define G4010_PID 0x183d
#define TS9180_PID 0x183e
#define TS8180_PID 0x183f
#define TS6180_PID 0x1840
#define TR8580_PID 0x1841
#define TS8130_PID 0x1842
#define TS6130_PID 0x1843
#define TR8530_PID 0x1844
#define TR7530_PID 0x1845
#define XK50_PID 0x1846
#define XK70_PID 0x1847
#define TR4500_PID 0x1854
#define E4200_PID 0x1855
#define TS6200_PID 0x1856
#define TS6280_PID 0x1857
#define TS6230_PID 0x1858
#define TS8200_PID 0x1859
#define TS8280_PID 0x185a
#define TS8230_PID 0x185b
#define TS9580_PID 0x185d
#define TR9530_PID 0x185e
#define G7000_PID 0x1863
#define G6000_PID 0x1865
#define G6080_PID 0x1866
#define GM4000_PID 0x1869
#define XK80_PID 0x1873
#define TS5300_PID 0x188b
#define TS5380_PID 0x188c
#define TS6300_PID 0x188d
#define TS6380_PID 0x188e
#define TS7330_PID 0x188f
#define TS8300_PID 0x1890
#define TS8380_PID 0x1891
#define TS8330_PID 0x1892
#define XK60_PID   0x1893
#define TS6330_PID 0x1894
#define TS3300_PID 0x18a2
#define E3300_PID  0x18a3

/* 2020 new devices (untested) */
#define G7080_PID 0x1864
#define GM4080_PID 0x186A
#define TS3400_PID 0x18B7
#define E3400_PID 0x18B8
#define TR7000_PID 0x18B9
#define G2020_PID 0x18BD
#define G3060_PID 0x18C3
#define G2060_PID 0x18C1
#define G3020_PID 0x18BF
#define TS7430_PID 0x18B2
#define XK90_PID 0x18B6 /* tested */
#define TS8430_PID 0x18B5
#define TR7600_PID 0x18AA
#define TR8600_PID 0x18AD
#define TR8630_PID 0x18AF
#define TS6400_PID 0x18D3
#define TS7400_PID 0x18D7

/* 2021 new device (untested) */
#define TS5350i_PID 0x18D9
#define G600_PID 0x18D5
#define TS3500_PID 0x18D4
#define TR4600_PID 0x18DA
#define E4500_PID 0x18DB
#define TR4700_PID 0x18DC
#define XK500_PID 0x18DF
#define TS8530_PID 0x18E0
#define XK100_PID 0x18E2
#define TS7530_PID 0x18E1
#define TS7450i_PID 0x18F7
#define GX6000_PID 0x18A6
#define GX7000_PID 0x18A8
#define TS5400_PID 0x18D8

/* 2022 new device (untested) */
#define TS2400_PID 0x1108
#define TS2600_PID 0x1107

#define TS8630_PID 0x18F8
#define XK110_PID 0x18F9
#define GX3000_PID 0x18F1
#define GX4000_PID 0x18F2

/* 2023 new device (untested) */
#define G3070_PID 0x18F4
#define G2070_PID 0x18F5
#define G4070_PID 0x18F3
#define G3030_PID 0x1105
#define G2030_PID 0x1106
#define TC20M_PID 0x18FC
#define TC5200M_PID 0x18FF

#define TS8700_PID 0x1118
#define XK120_PID 0x1119
#define GX1000_PID 0x110B
#define GX2000_PID 0x110D
#define TS6630_PID 0x114E
#define TS7700_PID 0x110F
#define TS7600i_PID 0x114F
#define TS6730_PID 0x1150
#define TR7800_PID 0x1151
#define TS7700i_PID 0x1152
#define TS7700A_PID 0x1111
#define GX6500_PID 0x1148

/* 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>"

#if !defined(HAVE_LIBXML2)
#define XML_OK   "<ivec:response>OK</ivec:response>"
#endif

enum mp150_state_t
{
  state_idle,
  state_warmup,
  state_scanning,
  state_transfering,
  state_finished
};

enum mp150_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_scan_param_3 = 0xd820,
  cmd_scan_start_3 = 0xd920,
  cmd_status_3 = 0xda20,
};

typedef struct mp150_t
{
  enum mp150_state_t state;
  pixma_cmdbuf_t cb;
  uint8_t *imgbuf;
  uint8_t current_status[16];
  unsigned last_block;
  uint8_t generation;
  /* for Generation 3 shift */
  uint8_t *linebuf;
  uint8_t *data_left_ofs;
  unsigned data_left_len;
  uint8_t adf_state;            /* handle adf scanning */
  unsigned scale;               /* Scale factor for lower resolutions, the
                                 * scanner doesn't support. We scale down the
                                 * image after scanning minimum possible
                                 * resolution.
                                 */

} mp150_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 mp150_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_jpeg (pixma_t *s)
{
  return s->param->mode_jpeg;
}

static int
send_xml_dialog (pixma_t * s, const char * xml_message)
{
  mp150_t *mp = (mp150_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));

#if defined(HAVE_LIBXML2)
  return pixma_parse_xml_response((const char*)mp->cb.buf) == PIXMA_STATUS_OK;
#else
  return (strcasestr ((const char *) mp->cb.buf, XML_OK) != NULL);
#endif
}

static int
start_session (pixma_t * s)
{
  mp150_t *mp = (mp150_t *) s->subdriver;

  pixma_newcmd (&mp->cb, cmd_start_session, 0, 0);
  mp->cb.buf[3] = 0x00;
  return pixma_exec (s, &mp->cb);
}

static int
start_scan_3 (pixma_t * s)
{
  mp150_t *mp = (mp150_t *) s->subdriver;

  pixma_newcmd (&mp->cb, cmd_scan_start_3, 0, 0);
  mp->cb.buf[3] = 0x00;
  return pixma_exec (s, &mp->cb);
}

static int
is_calibrated (pixma_t * s)
{
  mp150_t *mp = (mp150_t *) s->subdriver;
  if (mp->generation >= 3)
    {
      return ((mp->current_status[0] & 0x01) == 1 || (mp->current_status[0] & 0x02) == 2);
    }
  if (mp->generation == 1)
    {
      return (mp->current_status[8] == 1);
    }
  else
    {
      return (mp->current_status[9] == 1);
    }
}

static int
has_paper (pixma_t * s)
{
  mp150_t *mp = (mp150_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)
{
  mp150_t *mp = (mp150_t *) s->subdriver;
  while (pixma_read (s->io, mp->imgbuf, IMAGE_BLOCK_SIZE) >= 0);
}

static int
abort_session (pixma_t * s)
{
  mp150_t *mp = (mp150_t *) s->subdriver;
  mp->adf_state = state_idle;           /* reset adf scanning */
  return pixma_exec_short_cmd (s, &mp->cb, cmd_abort_session);
}

static int
select_source (pixma_t * s)
{
  mp150_t *mp = (mp150_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;

      default:
        return PIXMA_EPROTO;
    }
  return pixma_exec (s, &mp->cb);
}

static int
send_gamma_table (pixma_t * s)
{
  mp150_t *mp = (mp150_t *) s->subdriver;
  const uint8_t *lut = s->param->gamma_table;
  uint8_t *data;

  if (s->cfg->cap & PIXMA_CAP_GT_4096)
    {
      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)
        {
          /* PDBG (pixma_dbg (4, "*send_gamma_table***** Use 4096 bytes from LUT ***** \n")); */
          /* PDBG (pixma_hexdump (4, lut, 4096)); */
          memcpy (data + 4, lut, 4096);
        }
      else
        {
          /* fallback: we should never see this */
          PDBG (pixma_dbg (4, "*send_gamma_table***** Generate 4096 bytes Table with %f ***** \n",
                           s->param->gamma));
          pixma_fill_gamma_table (s->param->gamma, data + 4, 4096);
          /* PDBG (pixma_hexdump (4, data + 4, 4096)); */
        }
    }
  else
    {
      /* Gamma table for 2nd+ generation: 1024 * uint16_le */
      data = pixma_newcmd (&mp->cb, cmd_gamma, 1024 * 2 + 8, 0);
      data[0] = 0x10;
      pixma_set_be16 (0x0804, data + 2);
      if (lut)
        {
          /* PDBG (pixma_dbg (4, "*send_gamma_table***** Use 1024 * 2 bytes from LUT ***** \n")); */
          /* PDBG (pixma_hexdump (4, lut, 1024 * 2)); */
          memcpy (data + 4, lut, 1024 * 2);
        }
      else
        {
          /* fallback: we should never see this */
          PDBG (pixma_dbg (4, "*send_gamma_table***** Generate 1024 * 2 Table with %f ***** \n",
                           s->param->gamma));
          pixma_fill_gamma_table (s->param->gamma, data + 4, 1024);
          /* PDBG (pixma_hexdump (4, data + 4, 1024 * 2)); */
        }
    }
  return pixma_exec (s, &mp->cb);
}

static unsigned
calc_raw_width (const mp150_t * mp, const pixma_scan_param_t * param)
{
  unsigned raw_width;
  /* NOTE: Actually, we can send arbitrary width to MP150. 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 * mp->scale) + param->xs, 32);
      /* PDBG (pixma_dbg (4, "*calc_raw_width***** width %i extended by %i and rounded to %i *****\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
is_gray_16 (pixma_t * s)
{
  return (s->param->mode == PIXMA_SCAN_MODE_GRAY_16);
}

static unsigned
get_cis_line_size (pixma_t * s)
{
  mp150_t *mp = (mp150_t *) s->subdriver;

  /*PDBG (pixma_dbg (4, "%s: line_size=%ld, w=%d, wx=%d, scale=%d\n",
                   __func__, s->param->line_size, s->param->w, s->param->wx, mp->scale));*/

  return (s->param->wx ? s->param->line_size / s->param->w * s->param->wx
                       : s->param->line_size)
         * mp->scale
         * (is_gray_16(s) ? 3 : 1);
}

static int
send_scan_param (pixma_t * s)
{
  mp150_t *mp = (mp150_t *) s->subdriver;
  uint8_t *data;
  unsigned xdpi = s->param->xdpi * mp->scale;
  unsigned ydpi = s->param->xdpi * mp->scale;
  unsigned x = s->param->x * mp->scale;
  unsigned xs = s->param->xs;
  unsigned y = s->param->y * mp->scale;
  unsigned wx = calc_raw_width (mp, s->param);
  unsigned h = MIN (s->param->h, s->cfg->height * s->param->ydpi / 75) * mp->scale;

  if (mp->generation <= 2)
    {
      PDBG (pixma_dbg (4, "*send_scan_param gen. 1-2 ***** Setting: xdpi=%u ydpi=%u  x=%i y=%i  wx=%i ***** \n",
                           xdpi, ydpi, x-xs, y, wx));
      data = pixma_newcmd (&mp->cb, cmd_scan_param, 0x30, 0);
      pixma_set_be16 (xdpi | 0x8000, data + 0x04);
      pixma_set_be16 (ydpi | 0x8000, data + 0x06);
      pixma_set_be32 (x, data + 0x08);
      if (mp->generation == 2)
        pixma_set_be32 (x - s->param->xs, data + 0x08);
      pixma_set_be32 (y, data + 0x0c);
      pixma_set_be32 (wx, data + 0x10);
      pixma_set_be32 (h, data + 0x14);
      data[0x18] = (s->param->channels != 1) ? 0x08 : 0x04;
      data[0x19] = ((s->param->software_lineart) ? 8 : s->param->depth)
                    * s->param->channels;   /* bits per pixel */
      data[0x1a] = 0;
      data[0x20] = 0xff;
      data[0x23] = 0x81;
      data[0x26] = 0x02;
      data[0x27] = 0x01;
    }
  else
    {
      PDBG (pixma_dbg (4, "*send_scan_param gen. 3+ ***** Setting: xdpi=%u ydpi=%u x=%i xs=%i y=%i  wx=%i h=%i ***** \n",
                           xdpi, ydpi, x, xs, y, wx, h));
      data = pixma_newcmd (&mp->cb, cmd_scan_param_3, 0x38, 0);
      data[0x00] = (is_scanning_from_adf (s)) ? 0x02 : 0x01;
      data[0x01] = 0x01;
      data[0x02] = 0x01;
      if (is_scanning_from_adfdup (s))
        {
          data[0x02] = 0x03;
          data[0x03] = 0x03;
        }
      if (is_scanning_jpeg (s))
        {
          data[0x03] = 0x01;
        }
      data[0x05] = pixma_calc_calibrate (s);
      pixma_set_be16 (xdpi | 0x8000, data + 0x08);
      pixma_set_be16 (ydpi | 0x8000, data + 0x0a);
      pixma_set_be32 (x - xs, data + 0x0c);
      pixma_set_be32 (y, data + 0x10);
      pixma_set_be32 (wx, data + 0x14);
      pixma_set_be32 (h, data + 0x18);
      /*PDBG (pixma_dbg (4, "*send_scan_param gen. 3+ ***** Setting: channels=%hi depth=%hi ***** \n",
                       s->param->channels, s->param->depth));*/
      data[0x1c] = ((s->param->channels != 1) || (is_gray_16(s)) ? 0x08 : 0x04);

      data[0x1d] = ((s->param->software_lineart) ? 8 : s->param->depth)
                    * (is_gray_16(s) ? 3 : s->param->channels); /* bits per pixel */

      data[0x1f] = 0x01;        /* This one also seen at 0. Don't know yet what's used for */
      data[0x20] = 0xff;
      if (is_scanning_jpeg (s))
        {
          data[0x21] = 0x83;
        }
      else
        {
          data[0x21] = 0x81;
        }
      data[0x23] = 0x02;
      data[0x24] = 0x01;

      switch (s->cfg->pid)
        {
	case MG5300_PID:
	  /* unknown values (perhaps counter) for MG5300 series---values must be 0x30-0x39: decimal 0-9 */
	  data[0x26] = 0x32; /* using example values from a real scan here */
	  data[0x27] = 0x31;
	  data[0x28] = 0x34;
	  data[0x29] = 0x35;
	  break;

	default:
	  break;
	}

      data[0x30] = 0x01;
    }
  return pixma_exec (s, &mp->cb);
}

static int
query_status_3 (pixma_t * s)
{
  mp150_t *mp = (mp150_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)
{
  mp150_t *mp = (mp150_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;
}

#if 0
static int
send_time (pixma_t * s)
{
  /* Why does a scanner need a time? */
  time_t now;
  struct tm *t;
  uint8_t *data;
  mp150_t *mp = (mp150_t *) s->subdriver;

  data = pixma_newcmd (&mp->cb, cmd_time, 20, 0);
  pixma_get_time (&now, NULL);
  t = localtime (&now);
  strftime ((char *) data, 16, "%y/%m/%d %H:%M", t);
  PDBG (pixma_dbg (3, "Sending time: '%s'\n", (char *) data));
  return pixma_exec (s, &mp->cb);
}
#endif

/* 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];
  mp150_t *mp = (mp150_t *) s->subdriver;
  const int hlen = 8 + 8;
  int error, datalen;

  memset (cmd, 0, sizeof (cmd));
  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);
  datalen = mp->cb.reslen;
  if (datalen < 0)
    return datalen;

  memcpy (header, mp->cb.buf, hlen);

  if (datalen >= hlen)
    {
      datalen -= hlen;
      memcpy (data, mp->cb.buf + hlen, datalen);
      data += datalen;
      if (mp->cb.reslen == 512)
        {
          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;
  mp150_t *mp = (mp150_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];
  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 == MG5300_PID
      || s->cfg->pid == MG5400_PID
      || s->cfg->pid == MG5700_PID
      || s->cfg->pid == MG6200_PID
      || s->cfg->pid == MG6300_PID
      || s->cfg->pid == MX340_PID
      || s->cfg->pid == MX520_PID
      || s->cfg->pid == MX720_PID
      || s->cfg->pid == MX920_PID
      || s->cfg->pid == MB2300_PID
      || s->cfg->pid == MB5000_PID
      || s->cfg->pid == MB5400_PID
      || s->cfg->pid == TR4500_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)
    {
      /* color scan */
      s->events = PIXMA_EV_BUTTON1 | (buf[11] & 0x0f) | (buf[10] & 0x0f) << 8
                  | (buf[12] & 0x0f) << 16;
    }
    if (buf[7] & 2)
    {
      /* b/w scan */
      s->events = PIXMA_EV_BUTTON2 | (buf[11] & 0x0f) | (buf[10] & 0x0f) << 8
                  | (buf[12] & 0x0f) << 16;
    }

    /* some scanners provide additional information:
     * document type in buf[6] 01=Document; 02=Photo; 03=Auto Scan
     * ADF status in buf[8] 01 = ADF empty; 02 = ADF filled
     * ADF orientation in buf[16] 01=Portrait; 02=Landscape
     *
     * ToDo: maybe this if isn't needed
     */
    if (s->cfg->pid == TR4500_PID || s->cfg->pid == MX340_PID)
      {
        s->events |= (buf[6] & 0x0f) << 12;
        s->events |= (buf[8] & 0x0f) << 20;
        s->events |= (buf[16] & 0x0f) << 4;
      }
  }
  else if (s->cfg->pid == LIDE300_PID
           || s->cfg->pid == LIDE400_PID)
  /* unknown value in buf[4]
   * target in buf[0x13] 01=copy; 02=auto; 03=send; 05=start PDF; 06=finish PDF
   * "Finish PDF" is Button-2, all others are Button-1 */
  {
    if (buf[0x13] == 0x06)
    {
      /* button 2 = cancel / end scan */
      s->events = PIXMA_EV_BUTTON2 | (buf[0x13] & 0x0f);
    }
    else if (buf[0x13])
    {
      /* button 1 = start scan */
      s->events = PIXMA_EV_BUTTON1 | (buf[0x13] & 0x0f);
    }
  }
  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)
      /* FIXME: This function makes trouble with a lot of scanners
      send_time (s);
       */
      PDBG (pixma_dbg (1, "WARNING:send_time() disabled!\n"));
    if (buf[9] & 2)
      query_status (s);
    if (buf[0] & 2)
    {
      /* b/w scan */
      s->events = PIXMA_EV_BUTTON2 | (buf[1] & 0x0f) | (buf[0] & 0xf0) << 4;
    }
    if (buf[0] & 1)
    {
      /* color scan */
      s->events = PIXMA_EV_BUTTON1 | (buf[1] & 0x0f) | ((buf[0] & 0xf0) << 4);
    }
  }
  return 1;
}

static int
wait_until_ready (pixma_t * s)
{
  mp150_t *mp = (mp150_t *) s->subdriver;
  int error, tmo = 120;         /* some scanners need a long timeout */

  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));
      else if (s->cfg->pid == MP600_PID ||
               s->cfg->pid == MP600R_PID)
        RET_IF_ERR (query_status (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;
}

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++)
    {
      memcpy (linebuf + c * (n * (i % m) + i / m), sptr + c * i, c);
    }
  memcpy (sptr, linebuf, line_size);
}

/* the scanned image must be shrunk by factor "scale"
 * the image can be formatted as rgb (c=3) or gray (c=1)
 * we need to crop the left side (xs)
 * we ignore more pixels inside scanned line (wx), behind needed line (w)
 *
 * example (scale=2):
 * line | pixel[0] | pixel[1] | ... | pixel[w-1]
 * ---------
 *  0   |  rgbrgb  |  rgbrgb  | ... |  rgbrgb
 * wx*c |  rgbrgb  |  rgbrgb  | ... |  rgbrgb
 */
uint8_t *
shrink_image (uint8_t * dptr, uint8_t * sptr, unsigned xs, unsigned w,
              unsigned wx, unsigned scale, unsigned c)
{
  unsigned i, ic;
  uint16_t pixel;
  uint8_t *dst = dptr;  /* don't change dptr */
  uint8_t *src = sptr;  /* don't change sptr */

  /*PDBG (pixma_dbg (4, "%s: w=%d, wx=%d, c=%d, scale=%d\n",
                   __func__, w, wx, c, scale));
  PDBG (pixma_dbg (4, "\tdptr=%ld, sptr=%ld\n",
                   dptr, sptr));*/

  /* crop left side */
  src += c * xs;

  /* process line */
  for (i = 0; i < w; i++)
  {
    /* process rgb or gray pixel */
    for (ic = 0; ic < c; ic++)
    {
#if 0
      dst[ic] = src[ic];
#else
      pixel = 0;

      /* sum shrink pixels */
      for (unsigned m = 0; m < scale; m++)    /* get pixels from shrunk lines */
      {
        for (unsigned n = 0; n < scale; n++)  /* get pixels from same line */
        {
          pixel += src[ic + c * n + wx * c * m];
        }
      }
      dst[ic] = pixel / (scale * scale);
#endif
    }

    /* jump over shrunk data */
    src += c * scale;
    /* next pixel */
    dst += c;
  }

  return dst;
}

/* This function deals with Generation >= 3 high dpi images.
 * Each complete line in mp->imgbuf is processed for reordering pixels above
 * 600 dpi for Generation >= 3. */
static unsigned
post_process_image_data (pixma_t * s, pixma_imagebuf_t * ib)
{
  mp150_t *mp = (mp150_t *) s->subdriver;
  unsigned c, lines, line_size, n, m, cw, cx;
  uint8_t *sptr, *dptr, *gptr, *cptr;

  if (s->param->mode_jpeg)
    {
      /* No post-processing, send raw JPEG data to main */
      ib->rptr = mp->imgbuf;
      ib->rend = mp->data_left_ofs;
      return 0;    /* # of non processed bytes */
    }

  /* process image sizes */
  c = (is_gray_16(s) ? 3 : s->param->channels)
      * ((s->param->software_lineart) ? 8 : s->param->depth) / 8;   /* color channels count */
  cw = c * s->param->w;                                             /* image width */
  cx = c * s->param->xs;                                            /* x-offset */

  /* special image format parameters
   * n: no. of sub-images
   * m: sub-image width
   */
  if (mp->generation >= 3)
    n = s->param->xdpi / 600;
  else
    n = s->param->xdpi / 2400;
  if (s->cfg->pid == MP600_PID || s->cfg->pid == MP600R_PID || s->cfg->pid == XK90_PID)
    n = s->param->xdpi / 1200;
  m = (n > 0) ? s->param->wx / n : 1;

  /* Initialize pointers */
  sptr = dptr = gptr = cptr = mp->imgbuf;

  /* walk through complete received lines */
  line_size = get_cis_line_size (s);
  lines = (mp->data_left_ofs - mp->imgbuf) / line_size;
  if (lines > 0)
    {
      unsigned i;

      /*PDBG (pixma_dbg (4, "*post_process_image_data***** Processing with c=%u, n=%u, m=%u, wx=%i, line_size=%u, cx=%u, cw=%u ***** \n",
                       c, n, m, s->param->wx, line_size, cx, cw));*/
      /*PDBG (pixma_dbg (4, "*post_process_image_data***** lines = %i ***** \n", lines));*/

      for (i = 0; i < lines; i++, sptr += line_size)
        {
          /*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));*/
          /*PDBG (pixma_dbg (4, "*post_process_image_data***** Pointers: sptr=%lx, dptr=%lx, linebuf=%lx ***** \n",
                           sptr, dptr, mp->linebuf));*/

          /* special image format for *most* devices at high dpi.
           * MP220, MX360 and generation 5 scanners are exceptions */
          if (n > 1
              && s->cfg->pid != MP220_PID
              && s->cfg->pid != MX360_PID
              && (mp->generation < 5
                  /* generation 5 scanners *with* special image format */
                  || s->cfg->pid == MG2200_PID
                  || s->cfg->pid == MG3200_PID
                  || s->cfg->pid == MG4200_PID
                  || s->cfg->pid == MG5600_PID
                  || s->cfg->pid == MG5700_PID
                  || s->cfg->pid == MG6200_PID
                  || s->cfg->pid == MP230_PID
                  || s->cfg->pid == MX470_PID
                  || s->cfg->pid == MX510_PID
                  || s->cfg->pid == XK90_PID
                  || s->cfg->pid == MX520_PID))
              reorder_pixels (mp->linebuf, sptr, c, n, m, s->param->wx, line_size);


          /* scale image */
          if (mp->scale > 1)
          {
            /* Crop line inside shrink_image() */
            shrink_image(cptr, sptr, s->param->xs, s->param->w, s->param->wx, mp->scale, c);
          }
          else
          {
            /* Crop line to selected borders */
            memmove(cptr, sptr + cx, cw);
          }

          /* Color / Gray to Lineart convert */
          if (s->param->software_lineart)
              cptr = gptr = pixma_binarize_line (s->param, gptr, cptr, s->param->w, c);
          /* Color to Grayscale convert for 16bit gray */
          else if (is_gray_16(s))
            cptr = gptr = pixma_rgb_to_gray (gptr, cptr, s->param->w, c);
          else
              cptr += cw;
        }
    }
  ib->rptr = mp->imgbuf;
  ib->rend = cptr;
  return mp->data_left_ofs - sptr;    /* # of non processed bytes */
}

static int
mp150_open (pixma_t * s)
{
  mp150_t *mp;
  uint8_t *buf;

  mp = (mp150_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 >= MP160_PID) ? 2 : 1;

  if (s->cfg->pid >= MX7600_PID)
    mp->generation = 3;

  if (s->cfg->pid >= MP250_PID)
    mp->generation = 4;

  if (s->cfg->pid >= MG2100_PID)        /* this scanners generation doesn't need */
    mp->generation = 5;                 /* special image conversion @ high dpi */

  /* And exceptions to be added here */
  if (s->cfg->pid == MP140_PID)
    mp->generation = 2;

  PDBG (pixma_dbg (3, "*mp150_open***** This is a generation %d scanner.  *****\n", mp->generation));

  /* adf scanning */
  mp->adf_state = state_idle;

  if (mp->generation < 4)
    {
      query_status (s);
      handle_interrupt (s, 200);
    }
  return 0;
}

static void
mp150_close (pixma_t * s)
{
  mp150_t *mp = (mp150_t *) s->subdriver;

  mp150_finish_scan (s);
  free (mp->cb.buf);
  free (mp);
  s->subdriver = NULL;
}

static int
mp150_check_param (pixma_t * s, pixma_scan_param_t * sp)
{
  mp150_t *mp = (mp150_t *) s->subdriver;

  /* PDBG (pixma_dbg (4, "*mp150_check_param***** Initially: channels=%u, depth=%u, x=%u, y=%u, w=%u, h=%u, xs=%u, wx=%u, gamma=%f *****\n",
                   sp->channels, sp->depth, sp->x, sp->y, sp->w, sp->h, sp->xs, sp->wx, sp->gamma)); */

  sp->channels = 3;
  sp->software_lineart = 0;
  switch (sp->mode)
  {
    /* standard scan modes
     * 8 bit per channel in color and grayscale mode */
    case PIXMA_SCAN_MODE_GRAY:
      sp->channels = 1;
      /* fall through */
    case PIXMA_SCAN_MODE_COLOR:
      sp->depth = 8;
      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;
    default:
      break;
  }

  /* for software lineart w must be a multiple of 8 */
  if (sp->software_lineart == 1 && sp->w % 8)
    {
      unsigned w_max;

      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 (mp->generation >= 2)
    {
      /* mod 32 and expansion of the X scan limits */
      /*PDBG (pixma_dbg (4, "*mp150_check_param***** ----- Initially: x=%i, y=%i, w=%i, h=%i *****\n", sp->x, sp->y, sp->w, sp->h));*/
      sp->xs = (sp->x * mp->scale) % 32;
    }
  else
      sp->xs = 0;
  /*PDBG (pixma_dbg (4, "*mp150_check_param***** Selected origin, origin shift: %i, %i *****\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, "*mp150_check_param***** Final scan width and line-size: %i, %li *****\n", sp->wx, sp->line_size));*/

  /* Some exceptions here for particular devices */
  /* Those devices can scan up to legal 14" with ADF, but A4 11.7" in flatbed */
  /* PIXMA_CAP_ADF also works for PIXMA_CAP_ADFDUP */
  if ((s->cfg->cap & PIXMA_CAP_ADF) && sp->source == PIXMA_SOURCE_FLATBED)
    sp->h = MIN (sp->h, 877 * sp->xdpi / 75);

  if (sp->source == PIXMA_SOURCE_ADF || sp->source == PIXMA_SOURCE_ADFDUP)
    {
      uint8_t k = 1;

  /* ADF/ADF duplex mode: max scan res is 600 dpi, at least for generation 4+ */
      if (mp->generation >= 4)
        k = sp->xdpi / MIN (sp->xdpi, 600);
      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;
    }

  sp->mode_jpeg = (s->cfg->cap & PIXMA_CAP_ADF_JPEG) &&
                      (sp->source == PIXMA_SOURCE_ADF ||
                       sp->source == PIXMA_SOURCE_ADFDUP);

  mp->scale = 1;
  if (s->cfg->min_xdpi && sp->xdpi < s->cfg->min_xdpi)
  {
    mp->scale = s->cfg->min_xdpi / sp->xdpi;
  }
  /*PDBG (pixma_dbg (4, "*mp150_check_param***** xdpi=%u, min_xdpi=%u, scale=%u *****\n",
                   sp->xdpi, s->cfg->min_xdpi, mp->scale));*/

  /*PDBG (pixma_dbg (4, "*mp150_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
mp150_scan (pixma_t * s)
{
  int error = 0, tmo;
  mp150_t *mp = (mp150_t *) s->subdriver;

  if (mp->state != state_idle)
    return PIXMA_EBUSY;

  /* no paper inserted after first adf page => abort session */
  if (s->param->adf_pageid && is_scanning_from_adf(s) && mp->adf_state == state_idle)
  {
    return PIXMA_ENO_PAPER;
  }

  /* Generation 4+: send XML dialog */
  /* adf: first page or idle */
  if (mp->generation >= 4 && mp->adf_state == state_idle)
    {
      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;

      /* wait for inserted paper
       * timeout: 10 sec */
      tmo = 10;
      while (!has_paper (s) && --tmo >= 0)
        {
          if ((error = query_status (s)) < 0)
            return error;
          WAIT_INTERRUPT (1000);
          PDBG (pixma_dbg
            (2, "No paper in ADF. Timed out in %d sec.\n", tmo));
        }

      /* no paper inserted
       * => abort session */
      if (!has_paper (s))
      {
        PDBG (pixma_dbg (4, "*mp150_scan***** no paper in ADF *****\n"));
        error = abort_session (s);
        if (error < 0)
          return error;

        /* Generation 4+: send XML dialog */
        /* adf: first page or idle */
        if (mp->generation >= 4 && mp->adf_state == state_idle)
        {
          if (!send_xml_dialog (s, XML_END))
            return PIXMA_EPROTO;
        }

        return PIXMA_ENO_PAPER;
      }
    }

  tmo = 10;
  /* adf: first page or idle */
  if (mp->generation <= 2 || mp->adf_state == state_idle)
    { /* single sheet or first sheet from ADF */
      PDBG (pixma_dbg (4, "*mp150_scan***** start scanning *****\n"));
      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) && !is_scanning_jpeg (s))
        {
          int i;

          for (i = (mp->generation >= 3) ? 3 : 1 ; i > 0 && error >= 0; i--)
            error = send_gamma_table (s);
        }
    }
  else   /* ADF pageid != 0 and gen3 or above */
  { /* next sheet from ADF */
    PDBG (pixma_dbg (4, "*mp150_scan***** scan next sheet from ADF  *****\n"));
    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 */
      mp150_finish_scan (s);
      return error;
    }

  /* ADF scanning active */
  if (is_scanning_from_adf (s))
    mp->adf_state = state_scanning;
  return 0;
}

static int
mp150_fill_buffer (pixma_t * s, pixma_imagebuf_t * ib)
{
  int error;
  mp150_t *mp = (mp150_t *) s->subdriver;
  unsigned block_size, bytes_received, proc_buf_size, line_size;
  uint8_t header[16];

  if (mp->state == state_warmup)
    {
      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_line_size (s);
      proc_buf_size = 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
    {
      if (s->cancel)
      {
        PDBG (pixma_dbg (4, "*mp150_fill_buffer***** s->cancel  *****\n"));
        return PIXMA_ECANCELED;
      }
      if ((mp->last_block & 0x28) == 0x28)
        {  /* end of image */
           PDBG (pixma_dbg (4, "*mp150_fill_buffer***** end of image  *****\n"));
           mp->state = state_finished;
           return 0;
        }
      /*PDBG (pixma_dbg (4, "*mp150_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)
        {
          PDBG (pixma_dbg (4, "*mp150_fill_buffer***** scanner error (%d): end scan  *****\n", error));
          mp->last_block = 0x38;        /* end scan in mp150_finish_scan() */
          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, "*mp150_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);
        }
      /* 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;
    }
  while (ib->rend == ib->rptr);

  return ib->rend - ib->rptr;
}

static void
mp150_finish_scan (pixma_t * s)
{
  int error;
  mp150_t *mp = (mp150_t *) s->subdriver;

  switch (mp->state)
    {
    case state_transfering:
      drain_bulk_in (s);
      /* fall through */
    case state_scanning:
    case state_warmup:
    case state_finished:
      /* 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)
        {
          PDBG (pixma_dbg (4, "*mp150_finish_scan***** abort session  *****\n"));
          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"));
            }
        }
      else
        PDBG (pixma_dbg (4, "*mp150_finish_scan***** wait for next page from ADF  *****\n"));

      mp->state = state_idle;
      /* fall through */
    case state_idle:
      break;
    }
}

static void
mp150_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
mp150_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_mp150_ops = {
  mp150_open,
  mp150_close,
  mp150_scan,
  mp150_fill_buffer,
  mp150_finish_scan,
  mp150_wait_event,
  mp150_check_param,
  mp150_get_status
};

#define DEVICE(name, model, pid, min_dpi, dpi, adftpu_min_dpi, adftpu_max_dpi, w, h, cap) { \
        name,              /* name */               \
        model,             /* model */              \
        CANON_VID, pid,    /* vid pid */            \
        0,                 /* iface */              \
        &pixma_mp150_ops,  /* ops */                \
        min_dpi,           /* min_xdpi */           \
        0,                 /* min_xdpi_16 not used in this subdriver */ \
        dpi, 2*(dpi),      /* xdpi, ydpi */         \
        adftpu_min_dpi, adftpu_max_dpi,         /* adftpu_min_dpi, adftpu_max_dpi */ \
        0, 0,              /* tpuir_min_dpi & tpuir_max_dpi not used in this subdriver */  \
        w, h,              /* width, height */      \
        PIXMA_CAP_EASY_RGB|                         \
        PIXMA_CAP_GRAY|    /* CIS with native 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)

const pixma_config_t pixma_mp150_devices[] = {
  /* Generation 1: CIS */
  DEVICE ("Canon PIXMA MP150", "MP150", MP150_PID, 0, 1200, 0, 0, 638, 877, PIXMA_CAP_CIS | PIXMA_CAP_GT_4096),
  DEVICE ("Canon PIXMA MP170", "MP170", MP170_PID, 0, 1200, 0, 0, 638, 877, PIXMA_CAP_CIS | PIXMA_CAP_GT_4096),
  DEVICE ("Canon PIXMA MP450", "MP450", MP450_PID, 0, 1200, 0, 0, 638, 877, PIXMA_CAP_CIS | PIXMA_CAP_GT_4096),
  DEVICE ("Canon PIXMA MP500", "MP500", MP500_PID, 0, 1200, 0, 0, 638, 877, PIXMA_CAP_CIS | PIXMA_CAP_GT_4096),
  DEVICE ("Canon PIXMA MP530", "MP530", MP530_PID, 0, 1200, 0, 0, 638, 877, PIXMA_CAP_CIS | PIXMA_CAP_GT_4096 | PIXMA_CAP_ADF),

  /* Generation 2: CIS */
  DEVICE ("Canon PIXMA MP140", "MP140", MP140_PID, 0, 600, 0, 0, 638, 877, PIXMA_CAP_CIS),
  DEVICE ("Canon PIXMA MP160", "MP160", MP160_PID, 0, 600, 0, 0, 638, 877, PIXMA_CAP_CIS),
  DEVICE ("Canon PIXMA MP180", "MP180", MP180_PID, 0, 1200, 0, 0, 638, 877, PIXMA_CAP_CIS),
  DEVICE ("Canon PIXMA MP460", "MP460", MP460_PID, 0, 1200, 0, 0, 638, 877, PIXMA_CAP_CIS),
  DEVICE ("Canon PIXMA MP510", "MP510", MP510_PID, 0, 1200, 0, 0, 638, 877, PIXMA_CAP_CIS),
  DEVICE ("Canon PIXMA MP600", "MP600", MP600_PID, 0, 2400, 0, 0, 638, 877, PIXMA_CAP_CIS),
  DEVICE ("Canon PIXMA MP600R", "MP600R", MP600R_PID, 0, 2400, 0, 0, 638, 877, PIXMA_CAP_CIS),

  /* Generation 3: CIS */
  DEVICE ("Canon PIXMA MP210", "MP210", MP210_PID, 0, 600, 0, 0, 638, 877, PIXMA_CAP_CIS),
  DEVICE ("Canon PIXMA MP220", "MP220", MP220_PID, 0, 1200, 0, 0, 638, 877, PIXMA_CAP_CIS),
  DEVICE ("Canon PIXMA MP470", "MP470", MP470_PID, 0, 2400, 0, 0, 638, 877, PIXMA_CAP_CIS),
  DEVICE ("Canon PIXMA MP520", "MP520", MP520_PID, 0, 2400, 0, 0, 638, 877, PIXMA_CAP_CIS),
  DEVICE ("Canon PIXMA MP610", "MP610", MP610_PID, 0, 4800, 0, 0, 638, 877, PIXMA_CAP_CIS),

  DEVICE ("Canon PIXMA MX300", "MX300", MX300_PID, 0, 600, 0, 0, 638, 877, PIXMA_CAP_CIS),
  DEVICE ("Canon PIXMA MX310", "MX310", MX310_PID, 0, 1200, 0, 0, 638, 1050, PIXMA_CAP_CIS | PIXMA_CAP_ADF),
  DEVICE ("Canon PIXMA MX700", "MX700", MX700_PID, 0, 2400, 0, 0, 638, 1050, PIXMA_CAP_CIS | PIXMA_CAP_ADF),
  DEVICE ("Canon PIXMA MX850", "MX850", MX850_PID, 0, 2400, 0, 0, 638, 1050, PIXMA_CAP_CIS | PIXMA_CAP_ADFDUP),
  DEVICE ("Canon PIXMA MX7600", "MX7600", MX7600_PID, 0, 4800, 0, 0, 638, 1050, PIXMA_CAP_CIS | PIXMA_CAP_ADFDUP),

  DEVICE ("Canon PIXMA MP630", "MP630", MP630_PID, 0, 4800, 0, 0, 638, 877, PIXMA_CAP_CIS),
  DEVICE ("Canon PIXMA MP620", "MP620", MP620_PID, 0, 2400, 0, 0, 638, 877, PIXMA_CAP_CIS),
  DEVICE ("Canon PIXMA MP540", "MP540", MP540_PID, 0, 2400, 0, 0, 638, 877, PIXMA_CAP_CIS),
  DEVICE ("Canon PIXMA MP480", "MP480", MP480_PID, 0, 2400, 0, 0, 638, 877, PIXMA_CAP_CIS),
  DEVICE ("Canon PIXMA MP240", "MP240", MP240_PID, 0, 1200, 0, 0, 638, 877, PIXMA_CAP_CIS),
  DEVICE ("Canon PIXMA MP260", "MP260", MP260_PID, 0, 1200, 0, 0, 638, 877, PIXMA_CAP_CIS),
  DEVICE ("Canon PIXMA MP190", "MP190", MP190_PID, 0, 600, 0, 0, 638, 877, PIXMA_CAP_CIS),

  /* PIXMA 2009 vintage */
  DEVICE ("Canon PIXMA MX320", "MX320", MX320_PID, 0, 1200, 0, 600, 638, 1050, PIXMA_CAP_CIS | PIXMA_CAP_ADF),
  DEVICE ("Canon PIXMA MX330", "MX330", MX330_PID, 0, 1200, 0, 0, 638, 1050, PIXMA_CAP_CIS | PIXMA_CAP_ADF),
  DEVICE ("Canon PIXMA MX860", "MX860", MX860_PID, 0, 2400, 0, 0, 638, 1050, PIXMA_CAP_CIS | PIXMA_CAP_ADFDUP),
/* width and height adjusted to flatbed size 21.8 x 30.2 cm^2 respective
 * Not sure if anything's going wrong here, leaving as is
  DEVICE ("Canon PIXMA MX860", "MX860", MX860_PID, 0, 2400, 0, 0, 638, 880, PIXMA_CAP_CIS | PIXMA_CAP_ADFDUP),*/

  /* PIXMA 2010 vintage */
  DEVICE ("Canon PIXMA MX340", "MX340", MX340_PID, 0, 1200, 0, 0, 638, 1050, PIXMA_CAP_CIS | PIXMA_CAP_ADF),
  DEVICE ("Canon PIXMA MX350", "MX350", MX350_PID, 0, 1200, 0, 0, 638, 1050, PIXMA_CAP_CIS | PIXMA_CAP_ADF),
  DEVICE ("Canon PIXMA MX870", "MX870", MX870_PID, 0, 2400, 0, 0, 638, 1050, PIXMA_CAP_CIS | PIXMA_CAP_ADFDUP),

  /* PIXMA 2011 vintage */
  DEVICE ("Canon PIXMA MX360", "MX360", MX360_PID, 0, 1200, 0, 0, 638, 1050, PIXMA_CAP_CIS | PIXMA_CAP_ADF),
  DEVICE ("Canon PIXMA MX410", "MX410", MX410_PID, 0, 1200, 0, 0, 638, 1050, PIXMA_CAP_CIS | PIXMA_CAP_ADF),
  DEVICE ("Canon PIXMA MX420", "MX420", MX420_PID, 0, 1200, 0, 0, 638, 1050, PIXMA_CAP_CIS | PIXMA_CAP_ADF),
  DEVICE ("Canon PIXMA MX880 Series", "MX880", MX880_PID, 0, 2400, 0, 0, 638, 1050, PIXMA_CAP_CIS | PIXMA_CAP_ADFDUP),

  /* Generation 4: CIS */
  DEVICE ("Canon PIXMA MP640", "MP640", MP640_PID, 0, 4800, 0, 0, 638, 877, PIXMA_CAP_CIS),
  DEVICE ("Canon PIXMA MP560", "MP560", MP560_PID, 0, 2400, 0, 0, 638, 877, PIXMA_CAP_CIS),
  DEVICE ("Canon PIXMA MP550", "MP550", MP550_PID, 0, 2400, 0, 0, 638, 877, PIXMA_CAP_CIS),
  DEVICE ("Canon PIXMA MP490", "MP490", MP490_PID, 0, 1200, 0, 0, 638, 877, PIXMA_CAP_CIS),
  DEVICE ("Canon PIXMA MP250", "MP250", MP250_PID, 0, 600, 0, 0, 638, 877, PIXMA_CAP_CIS),
  DEVICE ("Canon PIXMA MP270", "MP270", MP270_PID, 0, 1200, 0, 0, 638, 877, PIXMA_CAP_CIS),

  /* Latest devices (2010) Generation 4 CIS */
  DEVICE ("Canon PIXMA MP280",  "MP280",  MP280_PID, 0, 600, 0, 0, 638, 877, PIXMA_CAP_CIS), /* TODO: 1200dpi doesn't work yet */
  DEVICE ("Canon PIXMA MP495",  "MP495",  MP495_PID, 0, 600, 0, 0, 638, 877, PIXMA_CAP_CIS), /* ToDo: max. scan resolution = 1200x600dpi */
  DEVICE ("Canon PIXMA MG5100", "MG5100", MG5100_PID, 0, 1200, 0, 0, 638, 877, PIXMA_CAP_CIS),
  DEVICE ("Canon PIXMA MG5200", "MG5200", MG5200_PID, 0, 2400, 0, 0, 638, 877, PIXMA_CAP_CIS),
  DEVICE ("Canon PIXMA MG6100", "MG6100", MG6100_PID, 0, 2400, 0, 0, 638, 877, PIXMA_CAP_CIS),

  /* Latest devices (2011) Generation 5 CIS */
  DEVICE ("Canon PIXMA MG2100", "MG2100", MG2100_PID, 0, 1200, 0, 0, 638, 877, PIXMA_CAP_CIS),
  DEVICE ("Canon PIXMA MG3100", "MG3100", MG3100_PID, 0, 1200, 0, 0, 638, 877, PIXMA_CAP_CIS),
  DEVICE ("Canon PIXMA MG4100", "MG4100", MG4100_PID, 0, 1200, 0, 0, 638, 877, PIXMA_CAP_CIS),
  DEVICE ("Canon PIXMA MG5300", "MG5300", MG5300_PID, 0, 2400, 0, 0, 638, 877, PIXMA_CAP_CIS),
  DEVICE ("Canon PIXMA MG6200", "MG6200", MG6200_PID, 0, 4800, 0, 0, 638, 877, PIXMA_CAP_CIS),
  DEVICE ("Canon PIXMA MP493",  "MP493",  MP493_PID, 0,  1200, 0, 0, 638, 877, PIXMA_CAP_CIS),
  DEVICE ("Canon PIXMA E500",   "E500",   E500_PID, 0,   1200, 0, 0, 638, 877, PIXMA_CAP_CIS),

  /* Latest devices (2012) Generation 5 CIS */
  DEVICE ("Canon PIXMA MX370 Series", "MX370", MX370_PID, 0, 1200, 0, 0, 638, 1050, PIXMA_CAP_CIS | PIXMA_CAP_ADF),
  DEVICE ("Canon PIXMA MX430 Series", "MX430", MX430_PID, 0, 1200, 0, 0, 638, 1050, PIXMA_CAP_CIS | PIXMA_CAP_ADF),
  DEVICE ("Canon PIXMA MX510 Series", "MX510", MX510_PID, 0, 1200, 0, 0, 638, 1050, PIXMA_CAP_CIS | PIXMA_CAP_ADF),
  DEVICE ("Canon PIXMA MX710 Series", "MX710", MX710_PID, 0, 2400, 0, 0, 638, 1050, PIXMA_CAP_CIS | PIXMA_CAP_ADFDUP),
  DEVICE ("Canon PIXMA MX890 Series", "MX890", MX890_PID, 0, 2400, 0, 0, 638, 1050, PIXMA_CAP_CIS | PIXMA_CAP_ADFDUP),
  DEVICE ("Canon PIXMA E600 Series",  "E600",  E600_PID, 0, 1200, 0, 0, 638, 1050, PIXMA_CAP_CIS | PIXMA_CAP_ADF),
  DEVICE ("Canon PIXMA MG4200", "MG4200", MG4200_PID, 0, 1200, 0, 0, 638, 877, PIXMA_CAP_CIS),

  /* Latest devices (2013) Generation 5 CIS */
  DEVICE ("Canon PIXMA E510",  "E510",  E510_PID, 0, 1200, 0, 0, 638, 877, PIXMA_CAP_CIS),
  DEVICE ("Canon PIXMA E610",  "E610",  E610_PID, 0, 1200, 0, 0, 638, 1050, PIXMA_CAP_CIS | PIXMA_CAP_ADF),
  DEVICE ("Canon PIXMA MP230", "MP230", MP230_PID, 0, 600, 0, 0, 638, 877, PIXMA_CAP_CIS),
  DEVICE ("Canon PIXMA MG2200 Series", "MG2200", MG2200_PID, 0, 1200, 0, 0, 638, 877, PIXMA_CAP_CIS),
  DEVICE ("Canon PIXMA MG3200 Series", "MG3200", MG3200_PID, 0, 1200, 0, 0, 638, 877, PIXMA_CAP_CIS),
  DEVICE ("Canon PIXMA MG5400 Series", "MG5400", MG5400_PID, 0, 2400, 0, 0, 638, 877, PIXMA_CAP_CIS),
  DEVICE ("Canon PIXMA MG6300 Series", "MG6300", MG6300_PID, 0, 2400, 0, 0, 638, 877, PIXMA_CAP_CIS),
  DEVICE ("Canon PIXMA MX390 Series", "MX390", MX390_PID, 0, 1200, 0, 0, 638, 1050, PIXMA_CAP_CIS | PIXMA_CAP_ADF),
  DEVICE ("Canon PIXMA MX450 Series", "MX450", MX450_PID, 0, 1200, 0, 0, 638, 1050, PIXMA_CAP_CIS | PIXMA_CAP_ADF),
  DEVICE ("Canon PIXMA MX520 Series", "MX520", MX520_PID, 0, 1200, 0, 0, 638, 1050, PIXMA_CAP_CIS | PIXMA_CAP_ADF),
  DEVICE ("Canon PIXMA MX720 Series", "MX720", MX720_PID, 0, 2400, 0, 0, 638, 1050, PIXMA_CAP_CIS | PIXMA_CAP_ADFDUP),
  DEVICE ("Canon PIXMA MX920 Series", "MX920", MX920_PID, 0, 2400, 0, 600, 638, 1050, PIXMA_CAP_CIS | PIXMA_CAP_ADFDUP),
  DEVICE ("Canon PIXMA MG2400 Series", "MG2400", MG2400_PID, 0, 600, 0, 0, 638, 877, PIXMA_CAP_CIS),
  DEVICE ("Canon PIXMA MG2500 Series", "MG2500", MG2500_PID, 0, 600, 0, 0, 638, 877, PIXMA_CAP_CIS),
  DEVICE ("Canon PIXMA MG3500 Series", "MG3500", MG3500_PID, 0, 1200, 0, 0, 638, 877, PIXMA_CAP_CIS),
  DEVICE ("Canon PIXMA MG5500 Series", "MG5500", MG5500_PID, 0, 1200, 0, 0, 638, 877, PIXMA_CAP_CIS),
  DEVICE ("Canon PIXMA MG6400 Series", "MG6400", MG6400_PID, 0, 1200, 0, 0, 638, 877, PIXMA_CAP_CIS),
  DEVICE ("Canon PIXMA MG6500 Series", "MG6500", MG6500_PID, 0, 2400, 0, 0, 638, 877, PIXMA_CAP_CIS),
  DEVICE ("Canon PIXMA MG7100 Series", "MG7100", MG7100_PID, 0, 2400, 0, 0, 638, 877, PIXMA_CAP_CIS),

  /* Latest devices (2014) Generation 5 CIS */
  DEVICE ("Canon PIXMA MX470 Series", "MX470", MX470_PID, 0, 1200, 0, 0, 638, 1050, PIXMA_CAP_CIS | PIXMA_CAP_ADF),
  DEVICE ("Canon PIXMA MX530 Series", "MX530", MX530_PID, 0, 1200, 0, 0, 638, 1050, PIXMA_CAP_CIS | PIXMA_CAP_ADF),
  DEVICE ("Canon MAXIFY MB5000 Series", "MB5000", MB5000_PID, 0, 1200, 0, 0, 638, 1050, PIXMA_CAP_CIS | PIXMA_CAP_ADF | PIXMA_CAP_ADF_JPEG),
  DEVICE ("Canon MAXIFY MB5300 Series", "MB5300", MB5300_PID, 0, 1200, 0, 0, 638, 1050, PIXMA_CAP_CIS | PIXMA_CAP_ADFDUP),
  DEVICE ("Canon MAXIFY MB2000 Series", "MB2000", MB2000_PID, 0, 1200, 0, 0, 638, 1050, PIXMA_CAP_CIS | PIXMA_CAP_ADFDUP | PIXMA_CAP_ADF_JPEG),
  DEVICE ("Canon MAXIFY MB2100 Series", "MB2100", MB2100_PID, 0, 1200, 0, 0, 638, 1050, PIXMA_CAP_CIS | PIXMA_CAP_ADF | PIXMA_CAP_ADF_JPEG),
  DEVICE ("Canon MAXIFY MB2300 Series", "MB2300", MB2300_PID, 0, 1200, 0, 0, 638, 1050, PIXMA_CAP_CIS | PIXMA_CAP_ADF | PIXMA_CAP_ADF_JPEG),
  DEVICE ("Canon MAXIFY MB2700 Series", "MB2700", MB2700_PID, 0, 1200, 0, 0, 638, 1050, PIXMA_CAP_CIS | PIXMA_CAP_ADF | PIXMA_CAP_ADF_JPEG),
  DEVICE ("Canon PIXMA E400",  "E400",  E400_PID, 0, 600, 0, 0, 638, 877, PIXMA_CAP_CIS),
  DEVICE ("Canon PIXMA E560",  "E560",  E560_PID, 0, 1200, 0, 0, 638, 877, PIXMA_CAP_CIS),
  DEVICE ("Canon PIXMA MG7500 Series", "MG7500", MG7500_PID, 0, 2400, 0, 0, 638, 877, PIXMA_CAP_CIS),
  DEVICE ("Canon PIXMA MG6600 Series", "MG6600", MG6600_PID, 0, 1200, 0, 0, 638, 877, PIXMA_CAP_CIS),
  DEVICE ("Canon PIXMA MG5600 Series", "MG5600", MG5600_PID, 0, 1200, 0, 0, 638, 877, PIXMA_CAP_CIS),
  DEVICE ("Canon PIXMA MG2900 Series", "MG2900", MG2900_PID, 0, 600, 0, 0, 638, 877, PIXMA_CAP_CIS),
  DEVICE ("Canon PIXMA E460 Series",  "E460",  E460_PID, 0,  600, 0, 0, 638, 877, PIXMA_CAP_CIS),

  /* Latest devices (2015) Generation 5 CIS */
  DEVICE ("Canon PIXMA MX490 Series", "MX490", MX490_PID, 0, 600, 0, 0, 638, 1050, PIXMA_CAP_CIS | PIXMA_CAP_ADF | PIXMA_CAP_ADF_JPEG),
  DEVICE ("Canon PIXMA E480 Series",  "E480",  E480_PID, 0, 600, 0, 0, 638, 1050, PIXMA_CAP_CIS | PIXMA_CAP_ADF),
  DEVICE ("Canon PIXMA MG3600 Series", "MG3600", MG3600_PID, 0, 1200, 0, 0, 638, 877, PIXMA_CAP_CIS),
  DEVICE ("Canon PIXMA MG7700 Series", "MG7700", MG7700_PID, 0, 2400, 0, 0, 638, 877, PIXMA_CAP_CIS),
  DEVICE ("Canon PIXMA MG6900 Series", "MG6900", MG6900_PID, 0, 1200, 0, 0, 638, 877, PIXMA_CAP_CIS),
  DEVICE ("Canon PIXMA MG6800 Series", "MG6800", MG6800_PID, 0, 1200, 0, 0, 638, 877, PIXMA_CAP_CIS),
  DEVICE ("Canon PIXMA MG5700 Series", "MG5700", MG5700_PID, 0, 1200, 0, 0, 638, 877, PIXMA_CAP_CIS),

  /* Latest devices (2016) Generation 5 CIS */
  DEVICE ("Canon PIXMA G3000", "G3000", G3000_PID, 0, 600, 0, 0, 638, 877, PIXMA_CAP_CIS),
  DEVICE ("Canon PIXMA G2000", "G2000", G2000_PID, 0, 600, 0, 0, 638, 877, PIXMA_CAP_CIS),
  DEVICE ("Canon PIXMA TS9000 Series", "TS9000", TS9000_PID, 0, 2400, 0, 0, 638, 877, PIXMA_CAP_CIS),
  DEVICE ("Canon PIXMA TS8000 Series", "TS8000", TS8000_PID, 0, 2400, 0, 0, 638, 877, PIXMA_CAP_CIS),
  DEVICE ("Canon PIXMA TS6000 Series", "TS6000", TS6000_PID, 0, 1200, 0, 0, 638, 877, PIXMA_CAP_CIS),
  DEVICE ("Canon PIXMA TS5000 Series", "TS5000", TS5000_PID, 0, 1200, 0, 0, 638, 877, PIXMA_CAP_CIS),
  DEVICE ("Canon PIXMA MG3000 Series", "MG3000", MG3000_PID, 0, 600, 0, 0, 638, 877, PIXMA_CAP_CIS),
  DEVICE ("Canon PIXMA E470 Series", "E470", E470_PID, 0, 600, 0, 0, 638, 877, PIXMA_CAP_CIS),
  DEVICE ("Canon PIXMA E410 Series", "E410", E410_PID, 0, 600, 0, 0, 638, 877, PIXMA_CAP_CIS),

  /* Latest devices (2017) Generation 5 CIS */
  DEVICE ("Canon PIXMA G4000", "G4000", G4000_PID, 0, 600, 0, 0, 638, 877, PIXMA_CAP_CIS),
  DEVICE ("Canon PIXMA TS6100 Series", "TS6100", TS6100_PID, 0, 1200, 0, 0, 638, 877, PIXMA_CAP_CIS),
  DEVICE ("Canon PIXMA TS5100 Series", "TS5100", TS5100_PID, 0, 1200, 0, 0, 638, 877, PIXMA_CAP_CIS),
  DEVICE ("Canon PIXMA TS3100 Series", "TS3100", TS3100_PID, 0, 600, 0, 0, 638, 877, PIXMA_CAP_CIS),
  DEVICE ("Canon PIXMA E3100 Series", "E3100", E3100_PID, 0, 600, 0, 0, 638, 877, PIXMA_CAP_CIS),

  /* Latest devices (2018) Generation 5 CIS */
  DEVICE ("Canon MAXIFY MB5400 Series", "MB5400", MB5400_PID, 0, 1200, 0, 0, 638, 1050, PIXMA_CAP_CIS | PIXMA_CAP_ADFDUP | PIXMA_CAP_ADF_JPEG),
  DEVICE ("Canon MAXIFY MB5100 Series", "MB5100", MB5100_PID, 0, 1200, 0, 0, 638, 1050, PIXMA_CAP_CIS | PIXMA_CAP_ADFDUP | PIXMA_CAP_ADF_JPEG),
  DEVICE ("Canon PIXMA TS9100 Series", "TS9100", TS9100_PID, 0, 2400, 0, 0, 638, 877, PIXMA_CAP_CIS),
  DEVICE ("Canon PIXMA TR8500 Series", "TR8500", TR8500_PID, 0, 1200, 0, 0, 638, 877, PIXMA_CAP_CIS | PIXMA_CAP_ADF | PIXMA_CAP_ADF_JPEG),
  DEVICE ("Canon PIXMA TR7500 Series", "TR7500", TR7500_PID, 0, 1200, 0, 0, 638, 877, PIXMA_CAP_CIS | PIXMA_CAP_ADF),
  DEVICE ("Canon PIXMA TS9500 Series", "TS9500", TS9500_PID, 0, 1200, 0, 600, 638, 877, PIXMA_CAP_CIS | PIXMA_CAP_ADF),
  DEVICE ("CanoScan LiDE 400", "LIDE400", LIDE400_PID, 300, 4800, 0, 0, 638, 877, PIXMA_CAP_CIS | PIXMA_CAP_48BIT),
  DEVICE ("CanoScan LiDE 300", "LIDE300", LIDE300_PID, 300, 2400, 0, 0, 638, 877, PIXMA_CAP_CIS),

  /* Latest devices (2019) Generation 5 CIS */
  DEVICE ("Canon PIXMA TS8100 Series", "TS8100", TS8100_PID, 0, 2400, 0, 0, 638, 877, PIXMA_CAP_CIS),
  DEVICE ("Canon PIXMA G2010 Series", "G2010", G2010_PID, 0, 600, 0, 0, 638, 877, PIXMA_CAP_CIS),
  DEVICE ("Canon PIXMA G3010 Series", "G3010", G3010_PID, 0, 600, 0, 0, 638, 877, PIXMA_CAP_CIS),
  DEVICE ("Canon PIXMA G4010 Series", "G4010", G4010_PID, 0, 600, 0, 0, 638, 877, PIXMA_CAP_CIS | PIXMA_CAP_ADF),
  DEVICE ("Canon PIXMA TS9180 Series", "TS9180", TS9180_PID, 0, 2400, 0, 0, 638, 877, PIXMA_CAP_CIS),
  DEVICE ("Canon PIXMA TS8180 Series", "TS8180", TS8180_PID, 0, 2400, 0, 0, 638, 877, PIXMA_CAP_CIS),
  DEVICE ("Canon PIXMA TS6180 Series", "TS6180", TS6180_PID, 0, 1200, 0, 0, 638, 877, PIXMA_CAP_CIS),
  DEVICE ("Canon PIXMA TR8580 Series", "TR8580", TR8580_PID, 0, 2400, 0, 0, 638, 877, PIXMA_CAP_CIS | PIXMA_CAP_ADF),
  DEVICE ("Canon PIXMA TS8130 Series", "TS8130", TS8130_PID, 0, 2400, 0, 0, 638, 877, PIXMA_CAP_CIS),
  DEVICE ("Canon PIXMA TS6130 Series", "TS6130", TS6130_PID, 0, 1200, 0, 0, 638, 877, PIXMA_CAP_CIS),
  DEVICE ("Canon PIXMA TR8530 Series", "TR8530", TR8530_PID, 0, 2400, 0, 0, 638, 877, PIXMA_CAP_CIS | PIXMA_CAP_ADF),
  DEVICE ("Canon PIXMA TR7530 Series", "TR7530", TR7530_PID, 0, 1200, 0, 0, 638, 877, PIXMA_CAP_CIS | PIXMA_CAP_ADF),
  DEVICE ("Canon PIXUS XK50 Series", "XK50", XK50_PID, 0, 1200, 0, 0, 638, 877, PIXMA_CAP_CIS),
  DEVICE ("Canon PIXUS XK70 Series", "XK70", XK70_PID, 0, 1200, 0, 0, 638, 877, PIXMA_CAP_CIS),
  DEVICE ("Canon PIXMA TR4500 Series", "TR4500", TR4500_PID, 0, 600, 0, 0, 638, 877, PIXMA_CAP_CIS | PIXMA_CAP_ADF | PIXMA_CAP_ADF_JPEG),   /* ToDo: max. scan resolution = 600x1200dpi */
  DEVICE ("Canon PIXMA E4200 Series", "E4200", E4200_PID, 0, 600, 0, 0, 638, 877, PIXMA_CAP_CIS | PIXMA_CAP_ADF),
  DEVICE ("Canon PIXMA TS6200 Series", "TS6200", TS6200_PID, 0, 1200, 0, 0, 638, 877, PIXMA_CAP_CIS),
  DEVICE ("Canon PIXMA TS6280 Series", "TS6280", TS6280_PID, 0, 1200, 0, 0, 638, 877, PIXMA_CAP_CIS),
  DEVICE ("Canon PIXMA TS6230 Series", "TS6230", TS6230_PID, 0, 1200, 0, 0, 638, 877, PIXMA_CAP_CIS),
  DEVICE ("Canon PIXMA TS8200 Series", "TS8200", TS8200_PID, 0, 1200, 0, 0, 638, 877, PIXMA_CAP_CIS),
  DEVICE ("Canon PIXMA TS8280 Series", "TS8280", TS8280_PID, 0, 1200, 0, 0, 638, 877, PIXMA_CAP_CIS),
  DEVICE ("Canon PIXMA TS8230 Series", "TS8230", TS8230_PID, 0, 1200, 0, 0, 638, 877, PIXMA_CAP_CIS),
  DEVICE ("Canon PIXMA TS9580 Series", "TS9580", TS9580_PID, 0, 1200, 0, 0, 638, 877, PIXMA_CAP_CIS | PIXMA_CAP_ADF),
  DEVICE ("Canon PIXMA TR9530 Series", "TR9530", TR9530_PID, 0, 1200, 0, 0, 638, 877, PIXMA_CAP_CIS | PIXMA_CAP_ADF),
  DEVICE ("Canon PIXMA G7000 Series", "G7000", G7000_PID, 0, 1200, 0, 0, 638, 877, PIXMA_CAP_CIS | PIXMA_CAP_ADF),      /* ToDo: ADF has legal paper length */
  DEVICE ("Canon PIXMA G6000 Series", "G6000", G6000_PID, 0, 600, 0, 0, 638, 877, PIXMA_CAP_CIS),
  DEVICE ("Canon PIXMA G6080 Series", "G6080", G6080_PID, 0, 600, 0, 0, 638, 877, PIXMA_CAP_CIS),
  DEVICE ("Canon PIXMA GM4000 Series", "GM4000", GM4000_PID, 0, 1200, 0, 0, 638, 877, PIXMA_CAP_CIS | PIXMA_CAP_ADF),   /* ToDo: ADF has legal paper length */
  DEVICE ("Canon PIXUS XK80 Series", "XK80", XK80_PID, 0, 1200, 0, 0, 638, 877, PIXMA_CAP_CIS),
  DEVICE ("Canon PIXMA TS5300 Series", "TS5300", TS5300_PID, 0, 1200, 0, 0, 638, 877, PIXMA_CAP_CIS),
  DEVICE ("Canon PIXMA TS5380 Series", "TS5380", TS5380_PID, 0, 1200, 0, 0, 638, 877, PIXMA_CAP_CIS),
  DEVICE ("Canon PIXMA TS6300 Series", "TS6300", TS6300_PID, 0, 1200, 0, 0, 638, 877, PIXMA_CAP_CIS),
  DEVICE ("Canon PIXMA TS6380 Series", "TS6380", TS6380_PID, 0, 1200, 0, 0, 638, 877, PIXMA_CAP_CIS),
  DEVICE ("Canon PIXMA TS7330 Series", "TS7330", TS7330_PID, 0, 1200, 0, 0, 638, 877, PIXMA_CAP_CIS),
  DEVICE ("Canon PIXMA TS8380 Series", "TS8380", TS8380_PID, 0, 1200, 0, 0, 638, 877, PIXMA_CAP_CIS),
  DEVICE ("Canon PIXMA TS8330 Series", "TS8330", TS8330_PID, 0, 1200, 0, 0, 638, 877, PIXMA_CAP_CIS),
  DEVICE ("Canon PIXMA XK60 Series", "XK60", XK60_PID, 0, 1200, 0, 0, 638, 877, PIXMA_CAP_CIS),
  DEVICE ("Canon PIXMA TS6330 Series", "TS6330", TS6330_PID, 0, 1200, 0, 0, 638, 877, PIXMA_CAP_CIS),
  DEVICE ("Canon PIXMA TS3300 Series", "TS3300", TS3300_PID, 0, 600, 0, 0, 638, 877, PIXMA_CAP_CIS),
  DEVICE ("Canon PIXMA E3300 Series", "E3300", E3300_PID, 0, 600, 0, 0, 638, 877, PIXMA_CAP_CIS),
  DEVICE ("Canon PIXMA TS3400 Series", "TS3400", TS3400_PID, 0, 600, 0, 0, 638, 877, PIXMA_CAP_CIS),
  DEVICE ("Canon PIXMA E3400 Series", "E3400", E3400_PID, 0, 600, 0, 0, 638, 877, PIXMA_CAP_CIS | PIXMA_CAP_ADF),
  DEVICE ("Canon PIXMA TR7000 Series", "TR7000", TR7000_PID, 0, 1200, 0, 0, 638, 877, PIXMA_CAP_CIS | PIXMA_CAP_ADF),
  DEVICE ("Canon PIXMA G2020", "G2020", G2020_PID, 0, 600, 0, 0, 638, 877, PIXMA_CAP_CIS),
  DEVICE ("Canon PIXMA G3060", "G3060", G3060_PID, 0, 600, 0, 0, 638, 877, PIXMA_CAP_CIS),
  DEVICE ("Canon PIXMA G2060", "G2060", G2060_PID, 0, 600, 0, 0, 638, 877, PIXMA_CAP_CIS),
  DEVICE ("Canon PIXMA G3020", "G3020", G3020_PID, 0, 600, 0, 0, 638, 877, PIXMA_CAP_CIS),
  DEVICE ("Canon PIXMA TS7430 Series", "TS7430", TS7430_PID, 0, 1200, 0, 0, 638, 877, PIXMA_CAP_CIS),
  DEVICE ("Canon PIXUS XK90 Series", "XK90", XK90_PID, 0, 1200, 0, 0, 638, 877, PIXMA_CAP_CIS),
  DEVICE ("Canon PIXMA TS8430 Series", "TS8430", TS8430_PID, 0, 1200, 0, 0, 638, 877, PIXMA_CAP_CIS),
  DEVICE ("Canon PIXMA TR7600 Series", "TR7600", TR7600_PID, 0, 1200, 0, 0, 638, 877, PIXMA_CAP_CIS | PIXMA_CAP_ADF),
  DEVICE ("Canon PIXMA TR8600 Series", "TR8600", TR8600_PID, 0, 1200, 0, 0, 638, 877, PIXMA_CAP_CIS | PIXMA_CAP_ADF),
  DEVICE ("Canon PIXMA TR8630 Series", "TR8630", TR8630_PID, 0, 1200, 0, 0, 638, 877, PIXMA_CAP_CIS | PIXMA_CAP_ADF),
  DEVICE ("Canon PIXMA TS6400 Series", "TS6400", TS6400_PID, 0, 1200, 0, 0, 638, 877, PIXMA_CAP_CIS),
  DEVICE ("Canon PIXMA TS7400 Series", "TS7400", TS7400_PID, 0, 1200, 0, 0, 638, 877, PIXMA_CAP_CIS),
  DEVICE ("Canon PIXMA G7080 Series", "G7080", G7080_PID, 0, 1200, 0, 0, 638, 877, PIXMA_CAP_CIS),
  DEVICE ("Canon PIXMA GM4080", "GM4080", GM4080_PID, 0, 1200, 0, 0, 638, 877, PIXMA_CAP_CIS | PIXMA_CAP_ADF),
  DEVICE ("Canon PIXMA TS5350i Series", "TS5350i", TS5350i_PID, 0, 1200, 0, 0, 638, 877, PIXMA_CAP_CIS),
  DEVICE ("Canon PIXMA G600", "G600", G600_PID, 0, 600, 0, 0, 638, 877, PIXMA_CAP_CIS),
  DEVICE ("Canon PIXMA TS3500 Series", "TS3500", TS3500_PID, 0, 600, 0, 0, 638, 877, PIXMA_CAP_CIS),
  /* ToDo: max. scan resolution = 600x1200dpi */
  DEVICE ("Canon PIXMA TR4600 Series", "TR4600", TR4600_PID, 0, 600, 0, 0, 638, 877, PIXMA_CAP_CIS | PIXMA_CAP_ADF | PIXMA_CAP_ADF_JPEG),
  /* ToDo: max. scan resolution = 600x1200dpi */
  DEVICE ("Canon PIXMA TR4700 Series", "TR4700", TR4700_PID, 0, 600, 0, 0, 638, 877, PIXMA_CAP_CIS | PIXMA_CAP_ADF | PIXMA_CAP_ADF_JPEG),
  DEVICE ("Canon PIXMA E4500 Series", "E4500", E4500_PID, 0, 600, 0, 0, 638, 877, PIXMA_CAP_CIS),
  DEVICE ("Canon PIXUS XK500 Series", "XK500", XK500_PID, 0, 1200, 0, 0, 638, 877, PIXMA_CAP_CIS),
  DEVICE ("Canon PIXMA TS8530 Series", "TS8530", TS8530_PID, 0, 1200, 0, 0, 638, 877, PIXMA_CAP_CIS),
  DEVICE ("Canon PIXUS XK100 Series", "XK100", XK100_PID, 0, 1200, 0, 0, 638, 877, PIXMA_CAP_CIS),
  DEVICE ("Canon PIXMA TS7530 Series", "TS7530", TS7530_PID, 0, 1200, 0, 0, 638, 877, PIXMA_CAP_CIS),
  DEVICE ("Canon PIXMA TS7450i Series", "TS7450i", TS7450i_PID, 0, 1200, 0, 0, 638, 877, PIXMA_CAP_CIS),
  DEVICE ("Canon PIXMA GX6000 Series", "GX6000", GX6000_PID, 0, 1200, 0, 0, 638, 877, PIXMA_CAP_CIS | PIXMA_CAP_ADF),
  DEVICE ("Canon PIXMA GX7000 Series", "GX7000", GX7000_PID, 0, 1200, 0, 0, 638, 877, PIXMA_CAP_CIS | PIXMA_CAP_ADF),
  DEVICE ("Canon PIXMA TS5400 Series", "TS5400", TS5400_PID, 0, 1200, 0, 0, 638, 877, PIXMA_CAP_CIS),
  DEVICE ("Canon PIXMA TS2400 Series", "TS2400", TS2400_PID, 0, 600, 0, 0, 638, 877, PIXMA_CAP_CIS),
  DEVICE ("Canon PIXMA TS2600 Series", "TS2600", TS2600_PID, 0, 600, 0, 0, 638, 877, PIXMA_CAP_CIS),
  DEVICE ("Canon PIXMA TS8630 Series", "TS8630", TS8630_PID, 0, 1200, 0, 0, 638, 877, PIXMA_CAP_CIS),
  DEVICE ("Canon PIXUS XK110 Series", "XK110", XK110_PID, 0, 1200, 0, 0, 638, 877, PIXMA_CAP_CIS),
  DEVICE ("Canon PIXMA GX3000 Series", "GX3000", GX3000_PID, 0, 1200, 0, 0, 638, 877, PIXMA_CAP_CIS | PIXMA_CAP_ADF),
  DEVICE ("Canon PIXMA GX4000 Series", "GX4000", GX4000_PID, 0, 1200, 0, 0, 638, 877, PIXMA_CAP_CIS | PIXMA_CAP_ADF),
  DEVICE ("Canon PIXMA G3070", "G3070", G3070_PID, 0, 600, 0, 0, 638, 877, PIXMA_CAP_CIS),
  DEVICE ("Canon PIXMA G2070", "G2070", G2070_PID, 0, 600, 0, 0, 638, 877, PIXMA_CAP_CIS),
  DEVICE ("Canon PIXMA G4070", "G4070", G4070_PID, 0, 600, 0, 0, 638, 877, PIXMA_CAP_CIS),
  DEVICE ("Canon PIXMA G3030", "G3030", G3030_PID, 0, 600, 0, 0, 638, 877, PIXMA_CAP_CIS),
  DEVICE ("Canon PIXMA G2030", "G2030", G2030_PID, 0, 600, 0, 0, 638, 877, PIXMA_CAP_CIS),
  DEVICE ("Canon PIXMA TC-20M", "TC-20M", TC20M_PID, 0, 1200, 0, 0, 638, 877, PIXMA_CAP_CIS),
  DEVICE ("Canon PIXMA TC-5200M", "TC-5200M", TC5200M_PID, 0, 1200, 0, 0, 638, 877, PIXMA_CAP_CIS),

  DEVICE ("Canon PIXMA TS8700 series", "TS8700", TS8700_PID, 0, 1200, 0, 0, 638, 877, PIXMA_CAP_CIS),
  DEVICE ("Canon PIXMA XK120 series", "XK120", XK120_PID, 0, 1200, 0, 0, 638, 877, PIXMA_CAP_CIS),
  DEVICE ("Canon PIXMA GX1000 series", "GX1000", GX1000_PID, 0, 1200, 0, 0, 638, 877, PIXMA_CAP_CIS | PIXMA_CAP_ADF),
  DEVICE ("Canon PIXMA GX2000 series", "GX2000", GX2000_PID, 0, 1200, 0, 0, 638, 877, PIXMA_CAP_CIS | PIXMA_CAP_ADF),
  DEVICE ("Canon PIXMA TS6630 series", "TS6630", TS6630_PID, 0, 1200, 0, 0, 638, 877, PIXMA_CAP_CIS),
  DEVICE ("Canon PIXMA TS7700 series", "TS7700", TS7700_PID, 0, 1200, 0, 0, 638, 877, PIXMA_CAP_CIS),
  DEVICE ("Canon PIXMA TS7600i series", "TS7600i", TS7600i_PID, 0, 1200, 0, 0, 638, 877, PIXMA_CAP_CIS),
  DEVICE ("Canon PIXMA TS6730 series", "TS6730", TS6730_PID, 0, 1200, 0, 0, 638, 877, PIXMA_CAP_CIS),
  DEVICE ("Canon PIXMA TR7800 series", "TR7800", TR7800_PID, 0, 600, 0, 0, 638, 877, PIXMA_CAP_CIS | PIXMA_CAP_ADF | PIXMA_CAP_ADF_JPEG),
  DEVICE ("Canon PIXMA TS7700i series", "TS7700i", TS7700i_PID, 0, 1200, 0, 0, 638, 877, PIXMA_CAP_CIS),
  DEVICE ("Canon PIXMA TS7700A series", "TS7700A", TS7700A_PID, 0, 1200, 0, 0, 638, 877, PIXMA_CAP_CIS),
  DEVICE ("Canon PIXMA GX6500 series", "GX6500", GX6500_PID, 0, 1200, 0, 0, 638, 877, PIXMA_CAP_CIS | PIXMA_CAP_ADF),

  END_OF_DEVICE_LIST
};