Initial import of sane-backends version 1.0.24-1.2

1 files changed, 1759 insertions, 0 deletions

diff --git a/backend/pixma_mp150.c b/backend/pixma_mp150.c
new file mode 100644
index 0000000..e29dccd
--- /dev/null
+++ b/backend/pixma_mp150.c
@@ -0,0 +1,1759 @@
+/* SANE - Scanner Access Now Easy.
+
+   Copyright (C) 2007-2009 Nicolas Martin, <nicols-guest at alioth dot debian dot org>
+   Copyright (C) 2006-2007 Wittawat Yamwong <wittawat@web.de>
+   Copyright (C) 2011-2013 Rolf Bensch <rolf at bensch hyphen online dot de>
+
+   This file is part of the SANE package.
+
+   This program is free software; you can redistribute it and/or
+   modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful, but
+   WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+   MA 02111-1307, USA.
+
+   As a special exception, the authors of SANE give permission for
+   additional uses of the libraries contained in this release of SANE.
+
+   The exception is that, if you link a SANE library with other files
+   to produce an executable, this does not by itself cause the
+   resulting executable to be covered by the GNU General Public
+   License.  Your use of that executable is in no way restricted on
+   account of linking the SANE library code into it.
+
+   This exception does not, however, invalidate any other reasons why
+   the executable file might be covered by the GNU General Public
+   License.
+
+   If you submit changes to SANE to the maintainers to be included in
+   a subsequent release, you agree by submitting the changes that
+   those changes may be distributed with this exception intact.
+
+   If you write modifications of your own for SANE, it is your choice
+   whether to permit this exception to apply to your modifications.
+   If you do not wish that, delete this exception notice.
+ */
+/* test cases
+   1. short USB packet (must be no -ETIMEDOUT)
+   2. cancel using button on the printer (look for abort command)
+   3. start scan while busy (status 0x1414)
+   4. cancel using ctrl-c (must send abort command)
+ */
+
+#define TPU_48             /* uncomment to activate TPU scan at 48 bits */
+/*#define DEBUG_TPU_48*/   /* uncomment to debug 48 bits TPU on a non TPU device */
+/*#define DEBUG_TPU_24*/   /* uncomment to debug 24 bits TPU on a non TPU device */
+
+#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
+#define MP800_PID 0x170d
+#define MP800R_PID 0x170e
+#define MP830_PID 0x1713
+
+/* 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
+
+/* 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
+
+
+/* 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_start_calibrate_ccd_3 = 0xd520,
+  cmd_end_calibrate_ccd_3 = 0xd720,
+  cmd_scan_param_3 = 0xd820,
+  cmd_scan_start_3 = 0xd920,
+  cmd_status_3 = 0xda20,
+  cmd_get_tpu_info_3 = 0xf520,
+  cmd_set_tpu_info_3 = 0xea20,
+
+  cmd_e920 = 0xe920		/* seen in MP800 */
+};
+
+typedef struct 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 and CCD shift */
+  uint8_t *linebuf;
+  uint8_t *data_left_ofs;
+  unsigned data_left_len;
+  int shift[3];
+  unsigned color_shift;
+  unsigned stripe_shift;
+  uint8_t tpu_datalen;
+  uint8_t tpu_data[0x40];
+} 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_from_tpu (pixma_t * s)
+{
+  return (s->param->source == PIXMA_SOURCE_TPU);
+}
+
+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 void
+new_cmd_tpu_msg (pixma_t *s, pixma_cmdbuf_t * cb, uint16_t cmd)
+{
+  pixma_newcmd (cb, cmd, 0, 0);
+  cb->buf[3] = (is_scanning_from_tpu (s)) ? 0x01 : 0x00;
+}
+
+static int
+start_session (pixma_t * s)
+{
+  mp150_t *mp = (mp150_t *) s->subdriver;
+
+  new_cmd_tpu_msg (s, &mp->cb, cmd_start_session);
+  return pixma_exec (s, &mp->cb);
+}
+
+static int
+start_scan_3 (pixma_t * s)
+{
+  mp150_t *mp = (mp150_t *) s->subdriver;
+
+  new_cmd_tpu_msg (s, &mp->cb, cmd_scan_start_3);
+  return pixma_exec (s, &mp->cb);
+}
+
+static int
+send_cmd_start_calibrate_ccd_3 (pixma_t * s)
+{
+  mp150_t *mp = (mp150_t *) s->subdriver;
+  
+  pixma_newcmd (&mp->cb, cmd_start_calibrate_ccd_3, 0, 0);
+  mp->cb.buf[3] = 0x01;
+  return pixma_exec (s, &mp->cb);
+}
+
+static int
+is_calibrated (pixma_t * s)
+{
+  mp150_t *mp = (mp150_t *) s->subdriver;
+  if (mp->generation >= 3)
+    {
+      return ((mp->current_status[0] & 0x01) == 1);
+    }
+  if (mp->generation == 1)
+    {
+      return (mp->current_status[8] == 1);
+    }
+  else
+    {
+      return (mp->current_status[9] == 1);
+    }
+}
+
+static int
+has_paper (pixma_t * s)
+{
+  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;
+  return pixma_exec_short_cmd (s, &mp->cb, cmd_abort_session);
+}
+
+static int
+send_cmd_e920 (pixma_t * s)
+{
+  mp150_t *mp = (mp150_t *) s->subdriver;
+  return pixma_exec_short_cmd (s, &mp->cb, cmd_e920);
+}
+
+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;
+        
+      case PIXMA_SOURCE_TPU:
+        data[0] = 4;
+        data[1] = 2;
+        break;
+    }
+  return pixma_exec (s, &mp->cb);
+}
+
+static int
+send_get_tpu_info_3 (pixma_t * s)
+{
+  mp150_t *mp = (mp150_t *) s->subdriver;
+  uint8_t *data;
+  int error;
+
+  data = pixma_newcmd (&mp->cb, cmd_get_tpu_info_3, 0, 0x34);
+  RET_IF_ERR (pixma_exec (s, &mp->cb));
+  memcpy (mp->tpu_data, data, 0x34);
+  return error;
+}
+
+static int
+send_set_tpu_info (pixma_t * s)
+{
+  mp150_t *mp = (mp150_t *) s->subdriver;
+  uint8_t *data;
+
+  if (mp->tpu_datalen == 0)
+    return 0;
+  data = pixma_newcmd (&mp->cb, cmd_set_tpu_info_3, 0x34, 0);
+  memcpy (data, mp->tpu_data, 0x34);
+  return pixma_exec (s, &mp->cb);
+}
+
+static int
+send_gamma_table (pixma_t * s)
+{
+  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 + 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
+has_ccd_sensor (pixma_t * s)
+{
+  return ((s->cfg->cap & PIXMA_CAP_CCD) != 0);
+}
+
+static int
+is_ccd_grayscale (pixma_t * s)
+{
+  return (has_ccd_sensor (s) && (s->param->channels == 1) && !s->param->software_lineart);
+}
+
+static int
+is_ccd_lineart (pixma_t * s)
+{
+  return (has_ccd_sensor (s) && s->param->software_lineart);
+}
+
+/* CCD sensors don't have neither a Grayscale mode nor a Lineart mode,
+ * but use color mode instead */
+static unsigned
+get_cis_ccd_line_size (pixma_t * s)
+{
+  return ((s->param->wx ? s->param->line_size / s->param->w * s->param->wx
+                        : s->param->line_size) * ((is_ccd_grayscale (s) || is_ccd_lineart (s)) ? 3 : 1));
+}
+ 
+static unsigned
+calc_shifting (pixma_t * s)
+{
+  mp150_t *mp = (mp150_t *) s->subdriver;
+
+  /* If stripes shift needed (CCD devices), how many pixels shift */
+  mp->stripe_shift = 0;
+  switch (s->cfg->pid)
+    {
+      case MP800_PID:
+      case MP800R_PID:
+        if (s->param->xdpi == 2400)
+          {
+	    if (is_scanning_from_tpu(s))
+	      mp->stripe_shift = 6;
+	    else
+	      mp->stripe_shift = 3;
+          }
+        break;
+
+      case MP830_PID:
+        if (s->param->xdpi == 2400) 
+          {
+            if (is_scanning_from_tpu(s))
+              mp->stripe_shift = 6;
+            else
+              mp->stripe_shift = 3;
+          }
+        break;
+
+      default:     /* Default, and all CIS devices */
+        break;
+    }
+  /* If color plane shift (CCD devices), how many pixels shift */
+  mp->color_shift = mp->shift[0] = mp->shift[1] = mp->shift[2] = 0;
+  if (s->param->ydpi > 75)
+    {
+      switch (s->cfg->pid)
+        {
+          case MP800_PID:
+          case MP800R_PID:
+          case MP830_PID:
+            mp->color_shift = s->param->ydpi / ((s->param->ydpi < 1200) ? 150 : 75);
+
+            if (is_scanning_from_tpu (s)) 
+              mp->color_shift = s->param->ydpi / 75;
+
+            mp->shift[1] = mp->color_shift * get_cis_ccd_line_size (s);
+            if (is_scanning_from_adf (s))
+              {  /* ADF */
+                mp->shift[0] = 0;
+                mp->shift[2] = 2 * mp->shift[1];
+              }
+            else
+              {  /* Flatbed or TPU */
+                mp->shift[0] = 2 * mp->shift[1];
+                mp->shift[2] = 0;
+              }
+            break;
+
+          default:
+            break;
+        }
+    }
+  return (2 * mp->color_shift + mp->stripe_shift);
+}
+
+static int
+send_scan_param (pixma_t * s)
+{
+  mp150_t *mp = (mp150_t *) s->subdriver;
+  uint8_t *data;
+  unsigned raw_width = calc_raw_width (mp, s->param);
+  unsigned h = MIN (s->param->h + calc_shifting (s), 
+                    s->cfg->height * s->param->ydpi / 75);
+
+  /* TPU scan does not support lineart */
+  if (is_scanning_from_tpu (s) && is_ccd_lineart (s))
+    {
+      return PIXMA_ENOTSUP;
+    }
+
+  if (mp->generation <= 2)
+    {
+      /*PDBG (pixma_dbg (4, "*send_scan_param gen. 1-2 ***** Setting: xdpi=%hi ydpi=%hi  x=%i y=%i  w=%i ***** \n",
+                           s->param->xdpi,s->param->ydpi,(s->param->x)-(s->param->xs),s->param->y,raw_width));*/
+      data = pixma_newcmd (&mp->cb, cmd_scan_param, 0x30, 0);
+      pixma_set_be16 (s->param->xdpi | 0x8000, data + 0x04);
+      pixma_set_be16 (s->param->ydpi | 0x8000, data + 0x06);
+      pixma_set_be32 (s->param->x, data + 0x08);
+      if (mp->generation == 2)
+        pixma_set_be32 (s->param->x - s->param->xs, data + 0x08);
+      pixma_set_be32 (s->param->y, data + 0x0c);
+      pixma_set_be32 (raw_width, data + 0x10);
+      pixma_set_be32 (h, data + 0x14);
+      data[0x18] = ((s->param->channels != 1) || is_ccd_grayscale (s) || is_ccd_lineart (s)) ? 0x08 : 0x04;
+      data[0x19] = ((s->param->software_lineart) ? 8 : s->param->depth)
+                    * ((is_ccd_grayscale (s) || is_ccd_lineart (s)) ? 3 : s->param->channels);   /* bits per pixel */
+      data[0x1a] = (is_scanning_from_tpu (s) ? 1 : 0);
+      data[0x20] = 0xff;
+      data[0x23] = 0x81;
+      data[0x26] = 0x02;
+      data[0x27] = 0x01;
+    }
+  else
+    {
+      data = pixma_newcmd (&mp->cb, cmd_scan_param_3, 0x38, 0);
+      data[0x00] = (is_scanning_from_adf (s)) ? 0x02 : 0x01;
+      data[0x01] = 0x01;
+      if (is_scanning_from_tpu (s))
+        {
+          data[0x00] = 0x04;
+          data[0x01] = 0x02;
+          data[0x1e] = 0x02;
+        }
+      data[0x02] = 0x01;
+      if (is_scanning_from_adfdup (s))
+        {
+          data[0x02] = 0x03;
+          data[0x03] = 0x03;
+        }
+      data[0x05] = 0x01;	/* This one also seen at 0. Don't know yet what's used for */
+      pixma_set_be16 (s->param->xdpi | 0x8000, data + 0x08);
+      pixma_set_be16 (s->param->ydpi | 0x8000, data + 0x0a);
+      /*PDBG (pixma_dbg (4, "*send_scan_param gen. 3+ ***** Setting: xdpi=%hi ydpi=%hi  x=%i y=%i  w=%i ***** \n",
+                           s->param->xdpi,s->param->ydpi,(s->param->x)-(s->param->xs),s->param->y,raw_width));*/
+      pixma_set_be32 (s->param->x - s->param->xs, data + 0x0c);
+      pixma_set_be32 (s->param->y, data + 0x10);
+      pixma_set_be32 (raw_width, data + 0x14);
+      pixma_set_be32 (h, data + 0x18);
+      data[0x1c] = ((s->param->channels != 1) || is_ccd_grayscale (s) || is_ccd_lineart (s)) ? 0x08 : 0x04;
+      
+#ifdef DEBUG_TPU_48
+      data[0x1d] = 24;
+#else
+      data[0x1d] = (is_scanning_from_tpu (s)) ? 48
+                                              : (((s->param->software_lineart) ? 8 : s->param->depth)
+                                                 * ((is_ccd_grayscale (s) || is_ccd_lineart (s)) ? 3 : s->param->channels));   /* bits per pixel */
+#endif
+
+      data[0x1f] = 0x01;        /* This one also seen at 0. Don't know yet what's used for */
+      data[0x20] = 0xff;
+      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;
+}
+
+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);
+  snprintf ((char *) data, 16,
+	    "%02d/%02d/%02d %02d:%02d",
+	    t->tm_year % 100, t->tm_mon + 1, t->tm_mday,
+	    t->tm_hour, t->tm_min);
+  PDBG (pixma_dbg (3, "Sending time: '%s'\n", (char *) data));
+  return pixma_exec (s, &mp->cb);
+}
+
+/* TODO: Simplify this function. Read the whole data packet in one shot. */
+static int
+read_image_block (pixma_t * s, uint8_t * header, uint8_t * data)
+{
+  uint8_t cmd[16];
+  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 == MG6200_PID
+      || s->cfg->pid == MG6300_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
+  /* button no. in buf[0]
+   * original in buf[0]
+   * target in buf[1] */
+  {
+    /* More than one event can be reported at the same time. */
+    if (buf[3] & 1)
+      send_time (s);
+    if (buf[9] & 2)
+      query_status (s);
+    if (buf[0] & 2)
+      s->events = PIXMA_EV_BUTTON2 | buf[1] | ((buf[0] & 0xf0) << 4);	/* b/w scan */
+    if (buf[0] & 1)
+      s->events = PIXMA_EV_BUTTON1 | buf[1] | ((buf[0] & 0xf0) << 4);	/* color scan */
+  }
+  return 1;
+}
+
+static int
+init_ccd_lamp_3 (pixma_t * s)
+{
+  mp150_t *mp = (mp150_t *) s->subdriver;
+  uint8_t *data;
+  int error, status_len, tmo;
+
+  status_len = 8;
+  RET_IF_ERR (query_status (s));
+  RET_IF_ERR (query_status (s));
+  RET_IF_ERR (send_cmd_start_calibrate_ccd_3 (s));
+  RET_IF_ERR (query_status (s));
+  tmo = 20;  /* like Windows driver, CCD lamp adjustment */
+  while (--tmo >= 0)
+    {
+      data = pixma_newcmd (&mp->cb, cmd_end_calibrate_ccd_3, 0, status_len);
+      RET_IF_ERR (pixma_exec (s, &mp->cb));
+      memcpy (mp->current_status, data, status_len);
+      PDBG (pixma_dbg (3, "Lamp status: %u , timeout in: %u\n", data[0], tmo));
+      if (mp->current_status[0] == 3 || !is_scanning_from_tpu (s))
+        break;
+      WAIT_INTERRUPT (1000);
+    }
+  return error;
+}
+
+static int
+wait_until_ready (pixma_t * s)
+{
+  mp150_t *mp = (mp150_t *) s->subdriver;
+  int error, tmo = 60;
+
+  RET_IF_ERR ((mp->generation >= 3) ? query_status_3 (s)
+                                    : query_status (s));
+  while (!is_calibrated (s))
+    {
+      WAIT_INTERRUPT (1000);
+      if (mp->generation >= 3)
+        RET_IF_ERR (query_status_3 (s));
+      else if (s->cfg->pid == MP600_PID || 
+               s->cfg->pid == MP600R_PID ||  
+               s->cfg->pid == MP800R_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 uint8_t *
+shift_colors (uint8_t * dptr, uint8_t * sptr, 
+              unsigned w, unsigned dpi, unsigned pid, unsigned c, 
+              int * colshft, unsigned strshft)
+{
+  unsigned i, sr, sg, sb, st;
+  UNUSED(dpi);
+  UNUSED(pid);
+  sr = colshft[0]; sg = colshft[1]; sb = colshft[2];
+  for (i = 0; i < w; i++)
+    {
+      /* stripes shift for MP800, MP800R at 2400 dpi */
+      st = (i % 2 == 0) ? strshft : 0;
+        
+      *sptr++ = *(dptr++ + sr + st);
+      if (c == 6) *sptr++ = *(dptr++ + sr + st);
+      *sptr++ = *(dptr++ + sg + st);
+      if (c == 6) *sptr++ = *(dptr++ + sg + st);
+      *sptr++ = *(dptr++ + sb + st);
+      if (c == 6) *sptr++ = *(dptr++ + sb + st);
+    }
+  return dptr;
+}
+
+static 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);
+}
+
+#ifndef TPU_48
+static unsigned
+pack_48_24_bpc (uint8_t * sptr, unsigned n)
+{
+  unsigned i;
+  uint8_t *cptr, lsb;
+  static uint8_t offset = 0;
+  
+  cptr = sptr;
+  if (n % 2 != 0)
+    PDBG (pixma_dbg (3, "WARNING: misaligned image.\n"));
+  for (i = 0; i < n; i += 2)
+    {
+      /* offset = 1 + (offset % 3); */
+      lsb = *sptr++;
+      *cptr++ = ((*sptr++) << offset) | lsb >> (8 - offset);
+    }
+  return (n / 2);
+}
+#endif
+
+/* This function deals both with PIXMA CCD sensors producing shifted color 
+ * planes images, Grayscale CCD scan and Generation >= 3 high dpi images.
+ * Each complete line in mp->imgbuf is processed for shifting CCD sensor 
+ * color planes, reordering pixels above 600 dpi for Generation >= 3, and
+ * converting to Grayscale for CCD sensors. */
+static unsigned
+post_process_image_data (pixma_t * s, pixma_imagebuf_t * ib)
+{
+  mp150_t *mp = (mp150_t *) s->subdriver;
+  unsigned c, lines, line_size, n, m, cw, cx;
+  uint8_t *sptr, *dptr, *gptr, *cptr;
+
+  c = ((is_ccd_grayscale (s) || is_ccd_lineart (s)) ? 3 : s->param->channels)
+      * ((s->param->software_lineart) ? 8 : s->param->depth) / 8;
+  cw = c * s->param->w;
+  cx = c * s->param->xs;
+  
+  if (mp->generation >= 3)
+    n = s->param->xdpi / 600;
+  else    /* FIXME: maybe need different values for CIS and CCD sensors */
+    n = s->param->xdpi / 2400;
+    
+  if (s->cfg->pid == MP600_PID || s->cfg->pid == MP600R_PID) 
+    n = s->param->xdpi / 1200;
+  
+  m = (n > 0) ? s->param->wx / n : 1;
+  sptr = dptr = gptr = cptr = mp->imgbuf;
+  line_size = get_cis_ccd_line_size (s);
+  /*PDBG (pixma_dbg (4, "*post_process_image_data***** ----- Set n=%u, m=%u, line_size=%u ----- ***** \n", n, m, line_size));*/
+
+  lines = (mp->data_left_ofs - mp->imgbuf) / line_size;
+  /*PDBG (pixma_dbg (4, "*post_process_image_data***** lines = %i > 2 * mp->color_shift + mp->stripe_shift = %i ***** \n",
+	           lines, 2 * mp->color_shift + mp->stripe_shift));*/
+  if (lines > 2 * mp->color_shift + mp->stripe_shift)
+    {
+      unsigned i;
+
+      lines -= 2 * mp->color_shift + mp->stripe_shift;
+      for (i = 0; i < lines; i++, sptr += line_size)
+        {
+          /* Color plane and stripes shift needed by e.g. CCD */
+          /*PDBG (pixma_dbg (4, "*post_process_image_data***** Processing with c=%u, n=%u, m=%u, w=%i, line_size=%u ***** \n",
+	        c, n, m, s->param->wx, line_size));*/
+          if (s->cfg->pid != MG5300_PID && s->cfg->pid != MG6300_PID && c >= 3)
+            dptr = shift_colors (dptr, sptr, 
+                                 s->param->wx, s->param->xdpi, s->cfg->pid, c,
+                                 mp->shift, mp->stripe_shift);
+                       
+          /* special image format for *most* devices at high dpi. 
+           * MP220, MX360, MX370, MX890, MG5300 are exceptions */
+          if (n > 0
+              && s->cfg->pid != MP220_PID
+              && s->cfg->pid != MX360_PID
+              && s->cfg->pid != MX370_PID
+              && s->cfg->pid != MX890_PID
+              && s->cfg->pid != MG3100_PID
+              && s->cfg->pid != MG2100_PID
+              && s->cfg->pid != MG5300_PID
+              && s->cfg->pid != MG6300_PID)
+              reorder_pixels (mp->linebuf, sptr, c, n, m, s->param->wx, line_size);
+          
+          /* 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 CCD sensor */
+          else if (is_ccd_grayscale (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;
+
+  /* And exceptions to be added here */
+  if (s->cfg->pid == MP140_PID)
+    mp->generation = 2;
+    
+  /* TPU info data setup */
+  mp->tpu_datalen = 0;
+
+  if (mp->generation < 4)
+    {
+      query_status (s);
+      handle_interrupt (s, 200);
+      if (mp->generation == 3 && has_ccd_sensor (s)) 
+	send_cmd_start_calibrate_ccd_3 (s);
+    }
+  return 0;
+}
+
+static void
+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;
+#ifdef TPU_48
+#ifndef DEBUG_TPU_48
+      if (sp->source == PIXMA_SOURCE_TPU)
+#endif
+          sp->depth = 16;   /* TPU in 16 bits mode */
+#endif
+    }
+  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) % 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, %i *****\n", sp->wx, sp->line_size));*/
+    
+  /* Some exceptions here for particular devices */
+  /* Those devices can scan up to 14" with ADF, but A4 11.7" in flatbed */
+  if (( s->cfg->pid == MX850_PID ||
+        s->cfg->pid == MX860_PID ||
+        s->cfg->pid == MX870_PID ||
+        s->cfg->pid == MX880_PID ||
+        s->cfg->pid == MX320_PID ||
+        s->cfg->pid == MX330_PID ||
+        s->cfg->pid == MX340_PID ||
+        s->cfg->pid == MX350_PID ||
+        s->cfg->pid == MX360_PID ||
+        s->cfg->pid == MX410_PID ||
+        s->cfg->pid == MX420_PID ||
+        s->cfg->pid == MX7600_PID )
+       &&
+        sp->source == PIXMA_SOURCE_FLATBED)
+    sp->h = MIN (sp->h, 877 * sp->xdpi / 75);
+    
+  if (sp->source == PIXMA_SOURCE_TPU)
+    {
+      uint8_t k;
+
+  /* TPU mode: lowest res is 150 or 300 dpi */
+      if (mp->generation >= 3)
+        k = MAX (sp->xdpi, 300) / sp->xdpi;
+      else
+        k = MAX (sp->xdpi, 150) / sp->xdpi;
+      sp->x *= k;	
+      sp->xs *= k;
+      sp->y *= k;
+      sp->w *= k;	
+      sp->wx *= k;
+      sp->h *= k;
+      sp->xdpi *= k;
+      sp->ydpi = sp->xdpi;
+    }
+
+  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;
+    }
+
+  /*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;
+
+  /* Generation 4: send XML dialog */
+  if (mp->generation == 4 && s->param->adf_pageid == 0)
+    {
+      if (!send_xml_dialog (s, XML_START_1))
+        return PIXMA_EPROTO;
+      if (!send_xml_dialog (s, XML_START_2))
+        return PIXMA_EPROTO;
+    }
+
+  /* clear interrupt packets buffer */
+  while (handle_interrupt (s, 0) > 0)
+    {
+    }
+
+  /* FIXME: Duplex ADF: check paper status only before odd pages (1,3,5,...). */
+  if (is_scanning_from_adf (s))
+    {
+      if ((error = query_status (s)) < 0)
+        return error;
+      tmo = 10;
+      while (!has_paper (s) && --tmo >= 0)
+        {
+          WAIT_INTERRUPT (1000);
+          PDBG (pixma_dbg
+            (2, "No paper in ADF. Timed out in %d sec.\n", tmo));
+        }
+      if (!has_paper (s))
+        return PIXMA_ENO_PAPER;
+    }
+
+  if (has_ccd_sensor (s) && (mp->generation <= 2))
+    {
+      error = send_cmd_e920 (s);
+      switch (error)
+        {
+          case PIXMA_ECANCELED:
+          case PIXMA_EBUSY:
+            PDBG (pixma_dbg (2, "cmd e920 or d520 returned %s\n", 
+                             pixma_strerror (error)));
+            /* fall through */
+          case 0:
+            query_status (s);
+            break;
+          default:
+            PDBG (pixma_dbg (1, "WARNING:cmd e920 or d520 failed %s\n", 
+                             pixma_strerror (error)));
+            return error;
+        }
+      tmo = 3;  /* like Windows driver, CCD calibration ? */
+      while (--tmo >= 0)
+        {
+          WAIT_INTERRUPT (1000);
+          PDBG (pixma_dbg (2, "CCD Calibration ends in %d sec.\n", tmo));
+        }
+      /* pixma_sleep(2000000); */
+    }
+
+  tmo = 10;
+  if (s->param->adf_pageid == 0 || mp->generation <= 2)
+    {
+      error = start_session (s);
+      while (error == PIXMA_EBUSY && --tmo >= 0)
+        {
+          if (s->cancel)
+            {
+              error = PIXMA_ECANCELED;
+              break;
+            }
+          PDBG (pixma_dbg
+          (2, "Scanner is busy. Timed out in %d sec.\n", tmo + 1));
+          pixma_sleep (1000000);
+          error = start_session (s);
+        }
+      if (error == PIXMA_EBUSY || error == PIXMA_ETIMEDOUT)
+        {
+          /* The scanner maybe hangs. We try to empty output buffer of the
+           * scanner and issue the cancel command. */
+          PDBG (pixma_dbg (2, "Scanner hangs? Sending abort_session command.\n"));
+          drain_bulk_in (s);
+          abort_session (s);
+          pixma_sleep (500000);
+          error = start_session (s);
+        }
+      if ((error >= 0) || (mp->generation >= 3))
+        mp->state = state_warmup;
+      if ((error >= 0) && (mp->generation <= 2))
+        error = select_source (s);
+      if ((error >= 0) && (mp->generation >= 3) && has_ccd_sensor (s))
+        error = init_ccd_lamp_3 (s);
+      if ((error >= 0) && !is_scanning_from_tpu (s))
+        {
+          int i;
+
+          for (i = (mp->generation >= 3) ? 3 : 1 ; i > 0 && error >= 0; i--)
+            error = send_gamma_table (s);
+        }
+      else if (error >= 0)  /* in TPU mode, for gen 1, 2, and 3 */
+        error = send_set_tpu_info (s);
+    }
+  else   /* ADF pageid != 0 and gen3 or above */
+    pixma_sleep (1000000);
+
+  if ((error >= 0) || (mp->generation >= 3))
+    mp->state = state_warmup;
+  if (error >= 0)
+    error = send_scan_param (s);
+  if ((error >= 0) && (mp->generation >= 3))
+    error = start_scan_3 (s);
+  if (error < 0)
+    {
+      mp->last_block = 0x38;   /* Force abort session if ADF scan */
+      mp150_finish_scan (s);
+      return error;
+    }
+  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_ccd_line_size (s);
+      proc_buf_size = (2 * calc_shifting (s) + 2) * line_size;
+      mp->cb.buf = realloc (mp->cb.buf,
+             CMDBUF_SIZE + IMAGE_BLOCK_SIZE + proc_buf_size);
+      if (!mp->cb.buf)
+        return PIXMA_ENOMEM;
+      mp->linebuf = mp->cb.buf + CMDBUF_SIZE;
+      mp->imgbuf = mp->data_left_ofs = mp->linebuf + line_size;
+      mp->data_left_len = 0;
+    }
+
+  do
+    {
+      if (s->cancel)
+        return PIXMA_ECANCELED;
+      if ((mp->last_block & 0x28) == 0x28)
+        {       /* end of image */
+           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)
+        {
+          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);
+        }
+      /* For TPU at 48 bits/pixel to output at 24 bits/pixel */
+#ifndef DEBUG_TPU_48
+#ifndef TPU_48
+#ifndef DEBUG_TPU_24
+      if (is_scanning_from_tpu (s))
+#endif
+          bytes_received = pack_48_24_bpc (mp->imgbuf + mp->data_left_len, bytes_received);
+#endif
+#endif        
+      /* Post-process the image data */
+      mp->data_left_ofs = mp->imgbuf + mp->data_left_len + bytes_received;
+      mp->data_left_len = post_process_image_data (s, ib);
+      mp->data_left_ofs -= mp->data_left_len;
+    }
+  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:
+      /* Send the get TPU info message */
+      if (is_scanning_from_tpu (s) && mp->tpu_datalen == 0)
+        send_get_tpu_info_3 (s);
+      /* FIXME: to process several pages ADF scan, must not send 
+       * abort_session and start_session between pages (last_block=0x28) */
+      if (mp->generation <= 2 || !is_scanning_from_adf (s) || mp->last_block == 0x38)
+        {
+          error = abort_session (s);  /* FIXME: it probably doesn't work in duplex mode! */
+          if (error < 0)
+            PDBG (pixma_dbg (1, "WARNING:abort_session() failed %d\n", error));
+
+          /* Generation 4: send XML end of scan dialog */
+          if (mp->generation == 4)
+            {
+              if (!send_xml_dialog (s, XML_END))
+                PDBG (pixma_dbg (1, "WARNING:XML_END dialog failed \n"));
+            }
+        }
+        mp->state = state_idle;
+      /* fall through */
+    case state_idle:
+      break;
+    }
+}
+
+static void
+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, 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 */                \
+        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 and CCD with software grayscale */ \
+        PIXMA_CAP_LINEART| /* all scanners with software lineart */ \
+        PIXMA_CAP_GAMMA_TABLE|PIXMA_CAP_EVENTS|cap  \
+}
+
+#define END_OF_DEVICE_LIST DEVICE(NULL, NULL, 0, 0, 0, 0, 0, 0, 0)
+
+const pixma_config_t pixma_mp150_devices[] = {
+  /* Generation 1: CIS */
+  DEVICE ("Canon PIXMA MP150", "MP150", MP150_PID, 1200, 0, 0, 638, 877, PIXMA_CAP_CIS),
+  DEVICE ("Canon PIXMA MP170", "MP170", MP170_PID, 1200, 0, 0, 638, 877, PIXMA_CAP_CIS),
+  DEVICE ("Canon PIXMA MP450", "MP450", MP450_PID, 1200, 0, 0, 638, 877, PIXMA_CAP_CIS),
+  DEVICE ("Canon PIXMA MP500", "MP500", MP500_PID, 1200, 0, 0, 638, 877, PIXMA_CAP_CIS),
+  DEVICE ("Canon PIXMA MP530", "MP530", MP530_PID, 1200, 0, 0, 638, 877, PIXMA_CAP_CIS | PIXMA_CAP_ADF),
+
+  /* Generation 1: CCD */
+  DEVICE ("Canon PIXMA MP800", "MP800", MP800_PID, 2400, 150, 0, 638, 877, PIXMA_CAP_CCD | PIXMA_CAP_TPU),
+  DEVICE ("Canon PIXMA MP800R", "MP800R", MP800R_PID, 2400, 150, 0, 638, 877, PIXMA_CAP_CCD | PIXMA_CAP_TPU),
+  DEVICE ("Canon PIXMA MP830", "MP830", MP830_PID, 2400, 150, 0, 638, 877, PIXMA_CAP_CCD | PIXMA_CAP_ADFDUP),
+
+  /* Generation 2: CIS */
+  DEVICE ("Canon PIXMA MP140", "MP140", MP140_PID, 600, 0, 0, 638, 877, PIXMA_CAP_CIS),
+  DEVICE ("Canon PIXMA MP160", "MP160", MP160_PID, 600, 0, 0, 638, 877, PIXMA_CAP_CIS),
+  DEVICE ("Canon PIXMA MP180", "MP180", MP180_PID, 1200, 0, 0, 638, 877, PIXMA_CAP_CIS),
+  DEVICE ("Canon PIXMA MP460", "MP460", MP460_PID, 1200, 0, 0, 638, 877, PIXMA_CAP_CIS),
+  DEVICE ("Canon PIXMA MP510", "MP510", MP510_PID, 1200, 0, 0, 638, 877, PIXMA_CAP_CIS),
+  DEVICE ("Canon PIXMA MP600", "MP600", MP600_PID, 2400, 0, 0, 638, 877, PIXMA_CAP_CIS),
+  DEVICE ("Canon PIXMA MP600R", "MP600R", MP600R_PID, 2400, 0, 0, 638, 877, PIXMA_CAP_CIS),
+
+  /* Generation 3: CIS */
+  DEVICE ("Canon PIXMA MP210", "MP210", MP210_PID, 600, 0, 0, 638, 877, PIXMA_CAP_CIS),
+  DEVICE ("Canon PIXMA MP220", "MP220", MP220_PID, 1200, 0, 0, 638, 877, PIXMA_CAP_CIS),
+  DEVICE ("Canon PIXMA MP470", "MP470", MP470_PID, 2400, 0, 0, 638, 877, PIXMA_CAP_CIS),
+  DEVICE ("Canon PIXMA MP520", "MP520", MP520_PID, 2400, 0, 0, 638, 877, PIXMA_CAP_CIS),
+  DEVICE ("Canon PIXMA MP610", "MP610", MP610_PID, 4800, 0, 0, 638, 877, PIXMA_CAP_CIS),
+
+  DEVICE ("Canon PIXMA MX300", "MX300", MX300_PID, 600, 0, 0, 638, 877, PIXMA_CAP_CIS),
+  DEVICE ("Canon PIXMA MX310", "MX310", MX310_PID, 1200, 0, 0, 638, 877, PIXMA_CAP_CIS | PIXMA_CAP_ADF),
+  DEVICE ("Canon PIXMA MX700", "MX700", MX700_PID, 2400, 0, 0, 638, 877, PIXMA_CAP_CIS | PIXMA_CAP_ADF),
+  DEVICE ("Canon PIXMA MX850", "MX850", MX850_PID, 2400, 0, 0, 638, 1050, PIXMA_CAP_CIS | PIXMA_CAP_ADFDUP),
+  DEVICE ("Canon PIXMA MX7600", "MX7600", MX7600_PID, 4800, 0, 0, 638, 1050, PIXMA_CAP_CIS | PIXMA_CAP_ADFDUP),
+
+  DEVICE ("Canon PIXMA MP630", "MP630", MP630_PID, 4800, 0, 0, 638, 877, PIXMA_CAP_CIS),
+  DEVICE ("Canon PIXMA MP620", "MP620", MP620_PID, 2400, 0, 0, 638, 877, PIXMA_CAP_CIS),
+  DEVICE ("Canon PIXMA MP540", "MP540", MP540_PID, 2400, 0, 0, 638, 877, PIXMA_CAP_CIS),
+  DEVICE ("Canon PIXMA MP480", "MP480", MP480_PID, 2400, 0, 0, 638, 877, PIXMA_CAP_CIS),
+  DEVICE ("Canon PIXMA MP240", "MP240", MP240_PID, 1200, 0, 0, 638, 877, PIXMA_CAP_CIS),
+  DEVICE ("Canon PIXMA MP260", "MP260", MP260_PID, 1200, 0, 0, 638, 877, PIXMA_CAP_CIS),
+  DEVICE ("Canon PIXMA MP190", "MP190", MP190_PID, 600, 0, 0, 638, 877, PIXMA_CAP_CIS),
+
+  /* PIXMA 2009 vintage */
+  DEVICE ("Canon PIXMA MX320", "MX320", MX320_PID, 1200, 0, 0, 638, 1050, PIXMA_CAP_CIS | PIXMA_CAP_ADF),
+  DEVICE ("Canon PIXMA MX330", "MX330", MX330_PID, 1200, 0, 0, 638, 1050, PIXMA_CAP_CIS | PIXMA_CAP_ADF),
+  DEVICE ("Canon PIXMA MX860", "MX860", MX860_PID, 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, 2400, 0, 0, 638, 880, PIXMA_CAP_CIS | PIXMA_CAP_ADFDUP),*/
+
+  /* PIXMA 2010 vintage */
+  DEVICE ("Canon PIXMA MX340", "MX340", MX340_PID, 1200, 0, 0, 638, 1050, PIXMA_CAP_CIS | PIXMA_CAP_ADF),
+  DEVICE ("Canon PIXMA MX350", "MX350", MX350_PID, 1200, 0, 0, 638, 1050, PIXMA_CAP_CIS | PIXMA_CAP_ADF),
+  DEVICE ("Canon PIXMA MX870", "MX870", MX870_PID, 2400, 0, 0, 638, 1050, PIXMA_CAP_CIS | PIXMA_CAP_ADFDUP),
+
+  /* PIXMA 2011 vintage */
+  DEVICE ("Canon PIXMA MX360", "MX360", MX360_PID, 1200, 0, 0, 638, 1050, PIXMA_CAP_CIS | PIXMA_CAP_ADF),
+  DEVICE ("Canon PIXMA MX410", "MX410", MX410_PID, 1200, 0, 0, 638, 1050, PIXMA_CAP_CIS | PIXMA_CAP_ADF),
+  DEVICE ("Canon PIXMA MX420", "MX420", MX420_PID, 1200, 0, 0, 638, 1050, PIXMA_CAP_CIS | PIXMA_CAP_ADF),
+  DEVICE ("Canon PIXMA MX880 Series", "MX880", MX880_PID, 2400, 0, 0, 638, 877, PIXMA_CAP_CIS | PIXMA_CAP_ADFDUP),
+
+  /* Generation 4: CIS */
+  DEVICE ("Canon PIXMA MP640", "MP640", MP640_PID, 4800, 0, 0, 638, 877, PIXMA_CAP_CIS),
+  DEVICE ("Canon PIXMA MP560", "MP560", MP560_PID, 2400, 0, 0, 638, 877, PIXMA_CAP_CIS),
+  DEVICE ("Canon PIXMA MP550", "MP550", MP550_PID, 2400, 0, 0, 638, 877, PIXMA_CAP_CIS),
+  DEVICE ("Canon PIXMA MP490", "MP490", MP490_PID, 1200, 0, 0, 638, 877, PIXMA_CAP_CIS),
+  DEVICE ("Canon PIXMA MP250", "MP250", MP250_PID, 600, 0, 0, 638, 877, PIXMA_CAP_CIS),
+  DEVICE ("Canon PIXMA MP270", "MP270", MP270_PID, 1200, 0, 0, 638, 877, PIXMA_CAP_CIS),
+
+  /* Latest devices (2010) Generation 4 CIS/CCD */
+  DEVICE ("Canon PIXMA MP280",  "MP280",  MP280_PID,  600, 0, 0, 638, 877, PIXMA_CAP_CIS), /* TODO: 1200dpi doesn't work yet */
+  DEVICE ("Canon PIXMA MP495",  "MP495",  MP495_PID,  1200, 0, 0, 638, 877, PIXMA_CAP_CIS),
+  DEVICE ("Canon PIXMA MG5100", "MG5100", MG5100_PID, 1200, 0, 0, 638, 877, PIXMA_CAP_CIS),
+  DEVICE ("Canon PIXMA MG5200", "MG5200", MG5200_PID, 2400, 0, 0, 638, 877, PIXMA_CAP_CIS),
+  DEVICE ("Canon PIXMA MG6100", "MG6100", MG6100_PID, 2400, 0, 0, 638, 877, PIXMA_CAP_CIS),
+
+  /* Latest devices (2011) Generation 4 CIS/CCD */
+  DEVICE ("Canon PIXMA MG2100", "MG2100", MG2100_PID, 1200, 0, 0, 638, 877, PIXMA_CAP_CIS),
+  DEVICE ("Canon PIXMA MG3100", "MG3100", MG3100_PID, 1200, 0, 0, 638, 877, PIXMA_CAP_CIS),
+  DEVICE ("Canon PIXMA MG4100", "MG4100", MG4100_PID, 1200, 0, 0, 638, 877, PIXMA_CAP_CIS),
+  DEVICE ("Canon PIXMA MG5300", "MG5300", MG5300_PID, 2400, 0, 0, 638, 877, PIXMA_CAP_CIS),
+  DEVICE ("Canon PIXMA MG6200", "MG6200", MG6200_PID, 4800, 0, 0, 638, 877, PIXMA_CAP_CIS),
+  DEVICE ("Canon PIXMA MP493",  "MP493",  MP493_PID,  1200, 0, 0, 638, 877, PIXMA_CAP_CIS),
+  DEVICE ("Canon PIXMA E500",   "E500",   E500_PID,   1200, 0, 0, 638, 877, PIXMA_CAP_CIS),
+
+  /* Latest devices (2012) Generation 4 CIS */
+  DEVICE ("Canon PIXMA MX370 Series", "MX370", MX370_PID, 1200, 0, 0, 638, 877, PIXMA_CAP_CIS | PIXMA_CAP_ADF),
+  DEVICE ("Canon PIXMA MX430 Series", "MX430", MX430_PID, 1200, 0, 0, 638, 877, PIXMA_CAP_CIS | PIXMA_CAP_ADF),
+  DEVICE ("Canon PIXMA MX510 Series", "MX510", MX510_PID, 1200, 0, 0, 638, 877, PIXMA_CAP_CIS | PIXMA_CAP_ADF),
+  DEVICE ("Canon PIXMA MX710 Series", "MX710", MX710_PID, 2400, 0, 0, 638, 877, PIXMA_CAP_CIS | PIXMA_CAP_ADFDUP),
+  DEVICE ("Canon PIXMA MX890 Series", "MX890", MX890_PID, 2400, 0, 0, 638, 877, PIXMA_CAP_CIS | PIXMA_CAP_ADFDUP),
+  DEVICE ("Canon PIXMA E600 Series",  "E600",  E600_PID,  1200, 0, 0, 638, 877, PIXMA_CAP_CIS | PIXMA_CAP_ADF),
+  DEVICE ("Canon PIXMA MG4200", "MG4200", MG4200_PID, 1200, 0, 0, 638, 877, PIXMA_CAP_CIS),
+
+  /* Latest devices (2013) Generation 4 CIS */
+  DEVICE ("Canon PIXMA E510",  "E510",  E510_PID,  1200, 0, 0, 638, 877, PIXMA_CAP_CIS),
+  DEVICE ("Canon PIXMA E610",  "E610",  E610_PID,  1200, 0, 0, 638, 877, PIXMA_CAP_CIS | PIXMA_CAP_ADF),
+  DEVICE ("Canon PIXMA MP230", "MP230", MP230_PID, 600, 0, 0, 638, 877, PIXMA_CAP_CIS),
+  DEVICE ("Canon PIXMA MG2200 Series", "MG2200", MG2200_PID, 1200, 0, 0, 638, 877, PIXMA_CAP_CIS),
+  DEVICE ("Canon PIXMA MG3200 Series", "MG3200", MG3200_PID, 1200, 0, 0, 638, 877, PIXMA_CAP_CIS),
+  DEVICE ("Canon PIXMA MG5400 Series", "MG5400", MG5400_PID, 2400, 0, 0, 638, 877, PIXMA_CAP_CIS),
+  DEVICE ("Canon PIXMA MG6300 Series", "MG6300", MG6300_PID, 2400, 0, 0, 638, 877, PIXMA_CAP_CIS),
+  DEVICE ("Canon PIXMA MX390 Series", "MX390", MX390_PID, 1200, 0, 0, 638, 877, PIXMA_CAP_CIS | PIXMA_CAP_ADF),
+  DEVICE ("Canon PIXMA MX450 Series", "MX450", MX450_PID, 1200, 0, 0, 638, 877, PIXMA_CAP_CIS | PIXMA_CAP_ADF),
+  DEVICE ("Canon PIXMA MX520 Series", "MX520", MX520_PID, 1200, 0, 0, 638, 877, PIXMA_CAP_CIS | PIXMA_CAP_ADF),
+  DEVICE ("Canon PIXMA MX720 Series", "MX720", MX720_PID, 2400, 0, 0, 638, 877, PIXMA_CAP_CIS | PIXMA_CAP_ADF),
+  DEVICE ("Canon PIXMA MX920 Series", "MX920", MX920_PID, 2400, 0, 600, 638, 877, PIXMA_CAP_CIS | PIXMA_CAP_ADFDUP),
+  DEVICE ("Canon PIXMA MG2400 Series", "MG2400", MG2400_PID, 600, 0, 0, 638, 877, PIXMA_CAP_CIS),
+  DEVICE ("Canon PIXMA MG2500 Series", "MG2500", MG2500_PID, 600, 0, 0, 638, 877, PIXMA_CAP_CIS),
+  DEVICE ("Canon PIXMA MG3500 Series", "MG3500", MG3500_PID, 1200, 0, 0, 638, 877, PIXMA_CAP_CIS),
+  DEVICE ("Canon PIXMA MG5500 Series", "MG5500", MG5500_PID, 1200, 0, 0, 638, 877, PIXMA_CAP_CIS),
+  DEVICE ("Canon PIXMA MG6400 Series", "MG6400", MG6400_PID, 1200, 0, 0, 638, 877, PIXMA_CAP_CIS),
+  DEVICE ("Canon PIXMA MG6500 Series", "MG6500", MG6500_PID, 2400, 0, 0, 638, 877, PIXMA_CAP_CIS),
+  DEVICE ("Canon PIXMA MG7100 Series", "MG7100", MG7100_PID, 2400, 0, 0, 638, 877, PIXMA_CAP_CIS),
+
+  END_OF_DEVICE_LIST
+};