Merge branch 'feature/upstream' into develop

1 files changed, 846 insertions, 0 deletions

diff --git a/backend/pixma/pixma_mp730.c b/backend/pixma/pixma_mp730.c
new file mode 100644
index 0000000..93d518b
--- /dev/null
+++ b/backend/pixma/pixma_mp730.c
@@ -0,0 +1,846 @@
+/* SANE - Scanner Access Now Easy.
+
+   Copyright (C) 2011-2019 Rolf Bensch <rolf at bensch hyphen online dot de>
+   Copyright (C) 2007-2008 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.
+ */
+#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"
+
+
+#ifdef __GNUC__
+# define UNUSED(v) (void) v
+#else
+# define UNUSED(v)
+#endif
+
+#define IMAGE_BLOCK_SIZE (0xc000)
+#define CMDBUF_SIZE 512
+
+#define MP10_PID 0x261f
+
+#define MP730_PID 0x262f
+#define MP700_PID 0x2630
+
+#define MP5_PID 0x2635          /* untested */
+
+#define MP360_PID 0x263c
+#define MP370_PID 0x263d
+#define MP390_PID 0x263e
+#define MP375R_PID 0x263f       /* untested */
+
+#define MP740_PID 0x264c	/* Untested */
+#define MP710_PID 0x264d
+
+#define MF5730_PID 0x265d	/* Untested */
+#define MF5750_PID 0x265e	/* Untested */
+#define MF5770_PID 0x265f
+#define MF3110_PID 0x2660
+
+#define IR1020_PID 0x26e6
+
+enum mp730_state_t
+{
+  state_idle,
+  state_warmup,
+  state_scanning,
+  state_transfering,
+  state_finished
+};
+
+enum mp730_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_activate      = 0xcf60,
+  cmd_calibrate     = 0xe920
+};
+
+typedef struct mp730_t
+{
+  enum mp730_state_t state;
+  pixma_cmdbuf_t cb;
+  unsigned raw_width;
+  uint8_t current_status[12];
+
+  uint8_t *buf, *imgbuf, *lbuf;
+  unsigned imgbuf_len;
+
+  unsigned last_block:1;
+} mp730_t;
+
+
+static void mp730_finish_scan (pixma_t * s);
+
+static int
+has_paper (pixma_t * s)
+{
+  mp730_t *mp = (mp730_t *) s->subdriver;
+  return (mp->current_status[1] == 0);
+}
+
+static void
+drain_bulk_in (pixma_t * s)
+{
+  mp730_t *mp = (mp730_t *) s->subdriver;
+  while (pixma_read (s->io, mp->imgbuf, IMAGE_BLOCK_SIZE) >= 0);
+}
+
+static int
+abort_session (pixma_t * s)
+{
+  mp730_t *mp = (mp730_t *) s->subdriver;
+  return pixma_exec_short_cmd (s, &mp->cb, cmd_abort_session);
+}
+
+static int
+query_status (pixma_t * s)
+{
+  mp730_t *mp = (mp730_t *) s->subdriver;
+  uint8_t *data;
+  int error;
+
+  data = pixma_newcmd (&mp->cb, cmd_status, 0, 12);
+  error = pixma_exec (s, &mp->cb);
+  if (error >= 0)
+    {
+      memcpy (mp->current_status, data, 12);
+      PDBG (pixma_dbg (3, "Current status: paper=%u cal=%u lamp=%u\n",
+		       data[1], data[8], data[7]));
+    }
+  return error;
+}
+
+static int
+activate (pixma_t * s, uint8_t x)
+{
+  mp730_t *mp = (mp730_t *) s->subdriver;
+  uint8_t *data = pixma_newcmd (&mp->cb, cmd_activate, 10, 0);
+  data[0] = 1;
+  data[3] = x;
+  return pixma_exec (s, &mp->cb);
+}
+
+static int
+start_session (pixma_t * s)
+{
+  mp730_t *mp = (mp730_t *) s->subdriver;
+  return pixma_exec_short_cmd (s, &mp->cb, cmd_start_session);
+}
+
+static int
+select_source (pixma_t * s)
+{
+  mp730_t *mp = (mp730_t *) s->subdriver;
+  uint8_t *data = pixma_newcmd (&mp->cb, cmd_select_source, 10, 0);
+  switch (s->param->source)
+    {
+    case PIXMA_SOURCE_ADF:
+      data[0] = 2;
+      break;
+
+    case PIXMA_SOURCE_ADFDUP:
+      data[0] = 2;
+      data[5] = 3;
+      break;
+
+    default:
+      data[0] = 1;
+      break;
+    }
+  return pixma_exec (s, &mp->cb);
+}
+
+static int
+send_scan_param (pixma_t * s)
+{
+  mp730_t *mp = (mp730_t *) s->subdriver;
+  uint8_t *data;
+
+  data = pixma_newcmd (&mp->cb, cmd_scan_param, 0x2e, 0);
+  pixma_set_be16 (s->param->xdpi | 0x1000, data + 0x04);
+  pixma_set_be16 (s->param->ydpi | 0x1000, data + 0x06);
+  pixma_set_be32 (s->param->x, data + 0x08);
+  pixma_set_be32 (s->param->y, data + 0x0c);
+  pixma_set_be32 (mp->raw_width, data + 0x10);
+  pixma_set_be32 (s->param->h, data + 0x14);
+
+  if (s->param->channels == 1)
+    {
+      if (s->param->depth == 1)
+        data[0x18] = 0x01;
+      else
+        data[0x18] = 0x04;
+    }
+  else
+    data[0x18] = 0x08;
+
+  data[0x19] = s->param->channels * s->param->depth;  /* bits per pixel, for lineart should be 0x01 */
+  data[0x1e] = (s->param->depth == 1) ? 0x80 : 0x00;  /* modify for lineart: 0x80 NEW */
+  data[0x1f] = (s->param->depth == 1) ? 0x80 : 0x7f;  /* modify for lineart: 0x80 */
+  data[0x20] = (s->param->depth == 1) ? 0x01 : 0xff;  /* modify for lineart: 0x01 */
+  data[0x23] = 0x81;
+
+  return pixma_exec (s, &mp->cb);
+}
+
+static int
+calibrate (pixma_t * s)
+{
+  mp730_t *mp = (mp730_t *) s->subdriver;
+  return pixma_exec_short_cmd (s, &mp->cb, cmd_calibrate);
+}
+
+static int
+read_image_block (pixma_t * s, uint8_t * header, uint8_t * data)
+{
+  static const uint8_t cmd[10] =	/* 0xd420 cmd */
+  { 0xd4, 0x20, 0, 0, 0, 0, 0, IMAGE_BLOCK_SIZE / 256, 4, 0 };
+  mp730_t *mp = (mp730_t *) s->subdriver;
+  const int hlen = 2 + 4;
+  int error, datalen;
+
+  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);
+	  if (error < 0)
+	    return error;
+	  datalen += error;
+	}
+    }
+
+  mp->state = state_scanning;
+  mp->cb.expected_reslen = 0;
+  error = pixma_check_result (&mp->cb);
+  if (error < 0)
+    return error;
+  if (mp->cb.reslen < hlen)
+    return PIXMA_EPROTO;
+  return datalen;
+}
+
+static int
+send_time (pixma_t * s)
+{
+  /* Why does a scanner need a time? */
+  time_t now;
+  struct tm *t;
+  uint8_t *data;
+  mp730_t *mp = (mp730_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);
+}
+
+static int
+handle_interrupt (pixma_t * s, int timeout)
+{
+  uint8_t buf[16];
+  int len;
+
+  len = pixma_wait_interrupt (s->io, buf, sizeof (buf), timeout);
+  if (len == PIXMA_ETIMEDOUT)
+    return 0;
+  if (len < 0)
+    return len;
+  switch (s->cfg->pid)
+    {
+    case MP360_PID:
+    case MP370_PID:
+    case MP375R_PID:
+    case MP390_PID:
+    case MF5730_PID:
+    case MF5750_PID:
+    case MF5770_PID:
+    case MF3110_PID:
+    case IR1020_PID:
+      if (len != 16)
+	{
+	  PDBG (pixma_dbg
+		(1, "WARNING:unexpected interrupt packet length %d\n", len));
+	  return PIXMA_EPROTO;
+	}
+      if (buf[12] & 0x40)
+	query_status (s);
+      if (buf[10] & 0x40)
+	send_time (s);
+      /* FIXME: following is unverified! */
+      if (buf[15] & 1)
+	s->events = PIXMA_EV_BUTTON2;	/* b/w scan */
+      if (buf[15] & 2)
+	s->events = PIXMA_EV_BUTTON1;	/* color scan */
+      break;
+
+    case MP5_PID:
+    case MP10_PID:
+    case MP700_PID:
+    case MP730_PID:
+    case MP710_PID:
+    case MP740_PID:
+      if (len != 8)
+	{
+	  PDBG (pixma_dbg
+		(1, "WARNING:unexpected interrupt packet length %d\n", len));
+	  return PIXMA_EPROTO;
+	}
+      if (buf[7] & 0x10)
+	s->events = PIXMA_EV_BUTTON1;
+      if (buf[5] & 8)
+	send_time (s);
+      break;
+
+    default:
+      PDBG (pixma_dbg (1, "WARNING:unknown interrupt, please report!\n"));
+      PDBG (pixma_hexdump (1, buf, len));
+    }
+  return 1;
+}
+
+static int
+has_ccd_sensor (pixma_t * s)
+{
+  return (s->cfg->pid == MP360_PID ||
+          s->cfg->pid == MP370_PID ||
+          s->cfg->pid == MP375R_PID ||
+          s->cfg->pid == MP390_PID ||
+          s->cfg->pid == MF5730_PID ||
+          s->cfg->pid == MF5750_PID ||
+          s->cfg->pid == MF5770_PID);
+}
+
+static int
+read_error_info (pixma_t * s, void *buf, unsigned size)
+{
+  unsigned len = 16;
+  mp730_t *mp = (mp730_t *) s->subdriver;
+  uint8_t *data;
+  int error;
+
+  data = pixma_newcmd (&mp->cb, cmd_error_info, 0, len);
+  error = pixma_exec (s, &mp->cb);
+  if (error < 0)
+    return error;
+  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;
+}
+
+static int
+step1 (pixma_t * s)
+{
+  int error;
+
+  error = query_status (s);
+  if (error < 0)
+    return error;
+  if ((s->param->source == PIXMA_SOURCE_ADF
+       || s->param->source == PIXMA_SOURCE_ADFDUP)
+      && !has_paper (s))
+    return PIXMA_ENO_PAPER;
+  if (has_ccd_sensor (s))
+    {
+      switch (s->cfg->pid)
+        {
+          case MF5730_PID:
+          case MF5750_PID:
+          case MF5770_PID:
+          /* MF57x0: Wait 10 sec before starting for 1st page only */
+            if (s->param->adf_pageid == 0)
+	      {
+                int tmo = 10;  /* like Windows driver, 10 sec CCD calibration ? */
+                while (--tmo >= 0)
+                  {
+                    error = handle_interrupt (s, 1000);		\
+                    if (s->cancel)				\
+                      return PIXMA_ECANCELED;			\
+                    if (error != PIXMA_ECANCELED && error < 0)	\
+                      return error;
+                    PDBG (pixma_dbg (2, "CCD Calibration ends in %d sec.\n", tmo));
+                  }
+              }
+            break;
+
+          default:
+            break;
+        }
+
+      activate (s, 0);
+      error = calibrate (s);
+
+      switch (s->cfg->pid)
+        {
+          case MF5730_PID:
+          case MF5750_PID:
+          case MF5770_PID:
+          /* MF57x0: calibration returns PIXMA_STATUS_FAILED */
+            if (error == PIXMA_ECANCELED)
+              error = read_error_info (s, NULL, 0);
+            break;
+
+          default:
+            break;
+        }
+
+      // ignore result from calibrate()
+      // don't interrupt @ PIXMA_STATUS_BUSY
+      error = 0;
+    }
+  if (error >= 0)
+    error = activate (s, 0);
+  if (error >= 0)
+    error = activate (s, 4);
+  return error;
+}
+
+static void
+pack_rgb (const uint8_t * src, unsigned nlines, unsigned w, uint8_t * dst)
+{
+  unsigned w2, stride;
+
+  w2 = 2 * w;
+  stride = 3 * w;
+  for (; nlines != 0; nlines--)
+    {
+      unsigned x;
+      for (x = 0; x != w; x++)
+	{
+	  *dst++ = src[x + 0];
+	  *dst++ = src[x + w];
+	  *dst++ = src[x + w2];
+	}
+      src += stride;
+    }
+}
+
+static int
+mp730_open (pixma_t * s)
+{
+  mp730_t *mp;
+  uint8_t *buf;
+
+  mp = (mp730_t *) calloc (1, sizeof (*mp));
+  if (!mp)
+    return PIXMA_ENOMEM;
+
+  buf = (uint8_t *) malloc (CMDBUF_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 = 2;
+  mp->cb.cmd_header_len = 10;
+  mp->cb.cmd_len_field_ofs = 7;
+
+  PDBG (pixma_dbg (3, "Trying to clear the interrupt buffer...\n"));
+  if (handle_interrupt (s, 200) == 0)
+    {
+      PDBG (pixma_dbg (3, "  no packets in buffer\n"));
+    }
+  return 0;
+}
+
+static void
+mp730_close (pixma_t * s)
+{
+  mp730_t *mp = (mp730_t *) s->subdriver;
+
+  mp730_finish_scan (s);
+  free (mp->cb.buf);
+  free (mp->buf);
+  free (mp);
+  s->subdriver = NULL;
+}
+
+static unsigned
+calc_raw_width (pixma_t * s, const pixma_scan_param_t * sp)
+{
+  unsigned raw_width;
+  /* FIXME: Does MP730 need the alignment? */
+  /*  TODO test: MP710/740 */
+  if (sp->channels == 1)
+    {
+      if (sp->depth == 8)   /* grayscale  */
+        {
+          if (s->cfg->pid == MP5_PID   ||
+              s->cfg->pid == MP10_PID  ||
+              s->cfg->pid == MP700_PID ||
+              s->cfg->pid == MP730_PID ||
+              s->cfg->pid == MP360_PID ||
+              s->cfg->pid == MP370_PID ||
+              s->cfg->pid == MP375R_PID ||
+              s->cfg->pid == MP390_PID ||
+	      s->cfg->pid == IR1020_PID)
+            raw_width = ALIGN_SUP (sp->w, 4);
+          else
+            raw_width = ALIGN_SUP (sp->w, 12);
+        }
+      else   /* depth = 1 : LINEART */
+        raw_width = ALIGN_SUP (sp->w, 16);
+    }
+  else
+    raw_width = ALIGN_SUP (sp->w, 4);
+  return raw_width;
+}
+
+static int
+mp730_check_param (pixma_t * s, pixma_scan_param_t * sp)
+{
+  uint8_t k = 1;
+
+  /* check if channels is 3, or if depth is 1 then channels also 1 else set depth to 8 */
+  if ((sp->channels==3) || !(sp->channels==1 && sp->depth==1))
+    {
+      sp->depth=8;
+    }
+  /* for MP5, MP10, MP360/370, MP700/730 in grayscale & lineart modes, max scan res is 600 dpi */
+  if (s->cfg->pid == MP5_PID   ||
+      s->cfg->pid == MP10_PID  ||
+      s->cfg->pid == MP700_PID ||
+      s->cfg->pid == MP730_PID ||
+      s->cfg->pid == MP360_PID ||
+      s->cfg->pid == MP370_PID ||
+      s->cfg->pid == MP375R_PID ||
+      s->cfg->pid == MP390_PID)
+    {
+      if (sp->channels == 1)
+          k = sp->xdpi / MIN (sp->xdpi, 600);
+    }
+
+  sp->x /= k;
+  sp->y /= k;
+  sp->h /= k;
+  sp->xdpi /= k;
+  sp->ydpi = sp->xdpi;
+
+  sp->w = calc_raw_width (s, sp);
+  sp->w /= k;
+  sp->line_size = (calc_raw_width (s, sp) * sp->channels * sp->depth) / 8;
+
+  return 0;
+}
+
+static int
+mp730_scan (pixma_t * s)
+{
+  int error, n;
+  mp730_t *mp = (mp730_t *) s->subdriver;
+  uint8_t *buf;
+
+  if (mp->state != state_idle)
+    return PIXMA_EBUSY;
+
+  /* clear interrupt packets buffer */
+  while (handle_interrupt (s, 0) > 0)
+    {
+    }
+
+  mp->raw_width = calc_raw_width (s, s->param);
+  PDBG (pixma_dbg (3, "raw_width = %u\n", mp->raw_width));
+
+  n = IMAGE_BLOCK_SIZE / s->param->line_size + 1;
+  buf = (uint8_t *) malloc ((n + 1) * s->param->line_size + IMAGE_BLOCK_SIZE);
+  if (!buf)
+    return PIXMA_ENOMEM;
+  mp->buf = buf;
+  mp->lbuf = buf;
+  mp->imgbuf = buf + n * s->param->line_size;
+  mp->imgbuf_len = 0;
+
+  error = step1 (s);
+  if (error >= 0)
+    error = start_session (s);
+  if (error >= 0)
+    mp->state = state_scanning;
+  if (error >= 0)
+    error = select_source (s);
+  if (error >= 0)
+    error = send_scan_param (s);
+  if (error < 0)
+    {
+      mp730_finish_scan (s);
+      return error;
+    }
+  mp->last_block = 0;
+  return 0;
+}
+
+static int
+mp730_fill_buffer (pixma_t * s, pixma_imagebuf_t * ib)
+{
+  int error, n;
+  mp730_t *mp = (mp730_t *) s->subdriver;
+  unsigned block_size, bytes_received;
+  uint8_t header[16];
+
+  do
+    {
+      do
+	{
+	  if (s->cancel)
+	    return PIXMA_ECANCELED;
+	  if (mp->last_block)           /* end of image */
+	      return 0;
+
+	  error = read_image_block (s, header, mp->imgbuf + mp->imgbuf_len);
+	  if (error < 0)
+	    return error;
+
+	  bytes_received = error;
+	  block_size = pixma_get_be16 (header + 4);
+	  mp->last_block = ((header[2] & 0x28) == 0x28);
+	  if (mp->last_block)
+	    {    /* end of image */
+	      mp->state = state_finished;
+	    }
+	  if ((header[2] & ~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(100000); *//* FIXME: too short, too long? */
+	      handle_interrupt (s, 100);
+            }
+	}
+      while (block_size == 0);
+
+      /* TODO: simplify! */
+      mp->imgbuf_len += bytes_received;
+      n = mp->imgbuf_len / s->param->line_size;
+      /* n = number of full lines (rows) we have in the buffer. */
+      if (n != 0)
+	{
+	  if (s->param->channels != 1    &&
+	      s->cfg->pid != MF5730_PID  &&
+	      s->cfg->pid != MF5750_PID  &&
+	      s->cfg->pid != MF5770_PID  &&
+	      s->cfg->pid != MF3110_PID  &&
+	      s->cfg->pid != IR1020_PID)
+	    {
+	      /* color, and not an MF57x0 nor MF3110 */
+	      pack_rgb (mp->imgbuf, n, mp->raw_width, mp->lbuf);
+	    }
+	  else
+             /* grayscale/lineart or MF57x0 or MF3110 */
+             memcpy (mp->lbuf, mp->imgbuf, n * s->param->line_size);
+
+	  block_size = n * s->param->line_size;
+	  mp->imgbuf_len -= block_size;
+	  memcpy (mp->imgbuf, mp->imgbuf + block_size, mp->imgbuf_len);
+	}
+    }
+  while (n == 0);
+
+  ib->rptr = mp->lbuf;
+  ib->rend = mp->lbuf + block_size;
+  return ib->rend - ib->rptr;
+}
+
+static void
+mp730_finish_scan (pixma_t * s)
+{
+  int error, aborted = 0;
+  mp730_t *mp = (mp730_t *) s->subdriver;
+
+  switch (mp->state)
+    {
+    case state_transfering:
+      drain_bulk_in (s);
+      /* fall through */
+    case state_scanning:
+    case state_warmup:
+      aborted = 1;
+      error = abort_session (s);
+      if (error < 0)
+	PDBG (pixma_dbg
+	      (1, "WARNING:abort_session() failed %s\n",
+	       pixma_strerror (error)));
+      /* fall through */
+    case state_finished:
+      query_status (s);
+      query_status (s);
+      activate (s, 0);
+
+      // MF57x0 devices don't require abort_session() after the last page
+      if (!aborted &&
+          (s->param->source == PIXMA_SOURCE_ADF ||
+           s->param->source == PIXMA_SOURCE_ADFDUP) &&
+           has_paper (s) &&
+           (s->cfg->pid == MF5730_PID ||
+            s->cfg->pid == MF5750_PID ||
+            s->cfg->pid == MF5770_PID ||
+            s->cfg->pid == IR1020_PID))
+      {
+        error = abort_session (s);
+        if (error < 0)
+          PDBG (pixma_dbg
+                (1, "WARNING:abort_session() failed %s\n",
+                 pixma_strerror (error)));
+      }
+
+      mp->buf = mp->lbuf = mp->imgbuf = NULL;
+      mp->state = state_idle;
+      /* fall through */
+    case state_idle:
+      break;
+    }
+}
+
+static void
+mp730_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
+mp730_get_status (pixma_t * s, pixma_device_status_t * status)
+{
+  int error;
+
+  error = query_status (s);
+  if (error < 0)
+    return error;
+  status->hardware = PIXMA_HARDWARE_OK;
+  status->adf = (has_paper (s)) ? PIXMA_ADF_OK : PIXMA_ADF_NO_PAPER;
+  return 0;
+}
+
+
+static const pixma_scan_ops_t pixma_mp730_ops = {
+  mp730_open,
+  mp730_close,
+  mp730_scan,
+  mp730_fill_buffer,
+  mp730_finish_scan,
+  mp730_wait_event,
+  mp730_check_param,
+  mp730_get_status
+};
+
+/* TODO: implement adftpu_min_dpi & adftpu_max_dpi for grayscale & lineart */
+#define DEVICE(name, model, pid, dpi, w, h, cap) {           \
+              name,              /* name */           \
+              model,             /* model */		      \
+              0x04a9, pid,       /* vid pid */	      \
+              1,                 /* iface */		      \
+              &pixma_mp730_ops,  /* ops */            \
+              0,                 /* min_xdpi not used in this subdriver */ \
+              dpi, dpi,          /* xdpi, ydpi */	    \
+              0, 0,              /* adftpu_min_dpi & adftpu_max_dpi not used in this subdriver */ \
+              0, 0,              /* tpuir_min_dpi & tpuir_max_dpi not used in this subdriver */  \
+              w, h,              /* width, height */	\
+        PIXMA_CAP_GRAY|PIXMA_CAP_EVENTS|cap           \
+}
+const pixma_config_t pixma_mp730_devices[] = {
+/* TODO: check area limits */
+  DEVICE ("PIXUS MP5/SmartBase MPC190/imageCLASS MPC190","MP5", MP5_PID, 600, 636, 868, PIXMA_CAP_LINEART),/* color scan can do 600x1200 */
+  DEVICE ("PIXUS MP10/SmartBase MPC200/imageCLASS MPC200","MP10", MP10_PID, 600, 636, 868, PIXMA_CAP_LINEART),/* color scan can do 600x1200 */
+  DEVICE ("PIXMA MP360", "MP360", MP360_PID, 1200, 636, 868, PIXMA_CAP_LINEART),
+  DEVICE ("PIXMA MP370", "MP370", MP370_PID, 1200, 636, 868, PIXMA_CAP_LINEART),
+  DEVICE ("PIXMA MP375R", "MP375R", MP375R_PID, 1200, 636, 868, PIXMA_CAP_LINEART),
+  DEVICE ("PIXMA MP390", "MP390", MP390_PID, 1200, 636, 868, PIXMA_CAP_LINEART),
+  DEVICE ("PIXMA MP700", "MP700", MP700_PID, 1200, 638, 877 /*1035 */ , PIXMA_CAP_LINEART),
+  DEVICE ("PIXMA MP710", "MP710", MP710_PID, 1200, 637, 868, PIXMA_CAP_LINEART),
+  DEVICE ("PIXMA MP730", "MP730", MP730_PID, 1200, 637, 868, PIXMA_CAP_ADF | PIXMA_CAP_LINEART),
+  DEVICE ("PIXMA MP740", "MP740", MP740_PID, 1200, 637, 868, PIXMA_CAP_ADF | PIXMA_CAP_LINEART),
+
+  DEVICE ("Canon imageCLASS MF5730", "MF5730", MF5730_PID, 1200, 636, 868, PIXMA_CAP_ADF),
+  DEVICE ("Canon imageCLASS MF5750", "MF5750", MF5750_PID, 1200, 636, 868, PIXMA_CAP_ADF),
+  DEVICE ("Canon imageCLASS MF5770", "MF5770", MF5770_PID, 1200, 636, 868, PIXMA_CAP_ADF),
+  DEVICE ("Canon imageCLASS MF3110", "MF3110", MF3110_PID, 600, 636, 868, 0),
+
+  DEVICE ("Canon iR 1020/1024/1025", "iR1020", IR1020_PID, 600, 636, 868, PIXMA_CAP_ADFDUP),
+
+  DEVICE (NULL, NULL, 0, 0, 0, 0, 0)
+};