Merge branch 'feature/upstream' into develop

1 files changed, 1817 insertions, 0 deletions

diff --git a/backend/pixma/pixma_mp150.c b/backend/pixma/pixma_mp150.c
new file mode 100644
index 0000000..3973702
--- /dev/null
+++ b/backend/pixma/pixma_mp150.c
@@ -0,0 +1,1817 @@
+/* SANE - Scanner Access Now Easy.
+
+   Copyright (C) 2011-2019 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, 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)
+ */
+
+#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 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
+#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 G6000_PID 0x1865
+#define G6080_PID 0x1866
+#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
+
+/* 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 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));
+
+  return (strcasestr ((const char *) mp->cb.buf, XML_OK) != NULL);
+}
+
+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 (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 mp150_t * mp, const pixma_scan_param_t * param)
+{
+  unsigned raw_width;
+  /* NOTE: Actually, we can send arbitary 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 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;
+}
+
+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=%hi ydpi=%hi  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=%hi ydpi=%hi 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;
+        }
+      else
+        {
+          data[0x05] = 0x01;	/* This one also seen at 0. Don't know yet what's used for */
+        }
+      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);
+      data[0x1c] = (s->param->channels != 1) ? 0x08 : 0x04;
+
+      data[0x1d] = ((s->param->software_lineart) ? 8 : s->param->depth)
+                    * 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 == MG6200_PID
+      || s->cfg->pid == MG6300_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)
+  /* 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 == LIDE300_PID
+           || s->cfg->pid == LIDE400_PID)
+  /* unknown value in buf[4]
+   * target in buf[0x13]
+   * always set button-1 */
+  {
+    if (buf[0x13])
+      s->events = PIXMA_EV_BUTTON1 | buf[0x13];
+  }
+  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)
+      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
+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 shrinked 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 shrinked 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 shrinked 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 = 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)
+    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 != MP490_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 == 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);
+          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 *****\n",
+                   sp->channels, sp->depth, sp->x, sp->y, sp->w, sp->h, sp->xs, sp->wx)); */
+
+  /* MP150 only supports 8 bit per channel in color and grayscale mode */
+  if (sp->depth != 1)
+    {
+      sp->software_lineart = 0;
+      sp->depth = 8;
+    }
+  else
+    {
+      /* software lineart */
+      sp->software_lineart = 1;
+      sp->depth = 1;
+      sp->channels = 1;
+    }
+
+  /* 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 */           \
+        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),
+  DEVICE ("Canon PIXMA MP170", "MP170", MP170_PID, 0, 1200, 0, 0, 638, 877, PIXMA_CAP_CIS),
+  DEVICE ("Canon PIXMA MP450", "MP450", MP450_PID, 0, 1200, 0, 0, 638, 877, PIXMA_CAP_CIS),
+  DEVICE ("Canon PIXMA MP500", "MP500", MP500_PID, 0, 1200, 0, 0, 638, 877, PIXMA_CAP_CIS),
+  DEVICE ("Canon PIXMA MP530", "MP530", MP530_PID, 0, 1200, 0, 0, 638, 877, PIXMA_CAP_CIS | 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, 0, 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, 1200, 0, 0, 638, 877, PIXMA_CAP_CIS),
+  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),
+  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),
+  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),
+  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),
+  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, 1200, 0, 0, 638, 877, PIXMA_CAP_CIS | PIXMA_CAP_ADF),
+  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 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 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, 1200, 0, 0, 638, 877, PIXMA_CAP_CIS),
+  DEVICE ("Canon PIXMA E3300 Series", "E3300", E3300_PID, 0, 600, 0, 0, 638, 877, PIXMA_CAP_CIS),
+
+  END_OF_DEVICE_LIST
+};