summaryrefslogtreecommitdiff
path: root/backend/pixma/pixma_imageclass.c
diff options
context:
space:
mode:
authorJörg Frings-Fürst <debian@jff-webhosting.net>2020-02-02 17:13:42 +0100
committerJörg Frings-Fürst <debian@jff-webhosting.net>2020-02-02 17:13:42 +0100
commit3dade5db2a37543f19f0967901d8d80a52a1e459 (patch)
tree808b2499b54563b3290f34d70d159b1024310873 /backend/pixma/pixma_imageclass.c
parent5bb4cf12855ec0151de15d6c5a2354ff08766957 (diff)
parentffa8801644a7d53cc1c785e3450f794c07a14eb0 (diff)
Update upstream source from tag 'upstream/1.0.29'
Update to upstream version '1.0.29' with Debian dir 2d358af604988ebe4348e38096245d66036fe5ed
Diffstat (limited to 'backend/pixma/pixma_imageclass.c')
-rw-r--r--backend/pixma/pixma_imageclass.c985
1 files changed, 985 insertions, 0 deletions
diff --git a/backend/pixma/pixma_imageclass.c b/backend/pixma/pixma_imageclass.c
new file mode 100644
index 0000000..ce0c37d
--- /dev/null
+++ b/backend/pixma/pixma_imageclass.c
@@ -0,0 +1,985 @@
+/* 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) 2008 Dennis Lou, dlou 99 at yahoo dot com
+
+ 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.
+ */
+
+/*
+ * imageCLASS backend based on pixma_mp730.c
+ */
+
+#include "../include/sane/config.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#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 (0x80000)
+#define MAX_CHUNK_SIZE (0x1000)
+#define MIN_CHUNK_SIZE (0x0200)
+#define CMDBUF_SIZE 512
+
+#define MF4100_PID 0x26a3
+#define MF4600_PID 0x26b0
+#define MF4010_PID 0x26b4
+#define MF4200_PID 0x26b5
+#define MF4360_PID 0x26ec
+#define D480_PID 0x26ed
+#define MF4320_PID 0x26ee
+#define D420_PID 0x26ef
+#define MF3200_PID 0x2684
+#define MF6500_PID 0x2686
+/* generation 2 scanners (>=0x2707) */
+#define MF8300_PID 0x2708
+#define MF4500_PID 0x2736
+#define MF4410_PID 0x2737
+#define D550_PID 0x2738
+#define MF3010_PID 0x2759
+#define MF4570_PID 0x275a
+#define MF4800_PID 0x2773
+#define MF4700_PID 0x2774
+#define MF8200_PID 0x2779
+/* the following are all untested */
+#define MF5630_PID 0x264e
+#define MF5650_PID 0x264f
+#define MF8100_PID 0x2659
+#define MF5880_PID 0x26f9
+#define MF6680_PID 0x26fa
+#define MF8030_PID 0x2707
+#define IR1133_PID 0x2742
+#define MF5900_PID 0x2743
+#define D530_PID 0x2775
+#define MF8500_PID 0x277a
+#define MF6100_PID 0x278e
+#define MF820_PID 0x27a6
+#define MF220_PID 0x27a8
+#define MF210_PID 0x27a9
+#define MF620_PID 0x27b4
+#define MF410_PID 0x27c0
+#define MF510_PID 0x27c2
+#define MF230_PID 0x27d1
+#define MF240_PID 0x27d2
+#define MF630_PID 0x27e1
+#define MF634_PID 0x27e2
+#define MF730_PID 0x27e4
+#define MF731_PID 0x27e5
+#define D570_PID 0x27e8
+#define MF110_PID 0x27ed
+#define MF520_PID 0x27f0
+#define MF420_PID 0x27f1
+#define MF260_PID 0x27f4
+#define MF740_PID 0x27fb
+#define MF743_PID 0x27fc
+#define MF640_PID 0x27fe
+#define MF645_PID 0x27fd
+
+
+enum iclass_state_t
+{
+ state_idle,
+ state_warmup, /* MF4200 always warm/calibrated; others? */
+ state_scanning,
+ state_finished
+};
+
+enum iclass_cmd_t
+{
+ cmd_start_session = 0xdb20,
+ cmd_select_source = 0xdd20,
+ cmd_scan_param = 0xde20,
+ cmd_status = 0xf320,
+ cmd_abort_session = 0xef20,
+ cmd_read_image = 0xd420,
+ cmd_read_image2 = 0xd460, /* New multifunctionals, such as MF4410 */
+ cmd_error_info = 0xff20,
+
+ cmd_activate = 0xcf60
+};
+
+typedef struct iclass_t
+{
+ enum iclass_state_t state;
+ pixma_cmdbuf_t cb;
+ unsigned raw_width;
+ uint8_t current_status[12];
+
+ uint8_t *buf, *blkptr, *lineptr;
+ unsigned buf_len, blk_len;
+
+ unsigned last_block;
+
+ uint8_t generation; /* New multifunctionals are (generation == 2) */
+
+ uint8_t adf_state; /* handle adf scanning */
+} iclass_t;
+
+
+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 void iclass_finish_scan (pixma_t * s);
+
+/* checksumming is sometimes different than pixmas */
+static int
+iclass_exec (pixma_t * s, pixma_cmdbuf_t * cb, char invcksum)
+{
+ if (cb->cmdlen > cb->cmd_header_len)
+ pixma_fill_checksum (cb->buf + cb->cmd_header_len,
+ cb->buf + cb->cmdlen - 2);
+ cb->buf[cb->cmdlen - 1] = invcksum ? -cb->buf[cb->cmdlen - 2] : 0;
+ cb->reslen =
+ pixma_cmd_transaction (s, cb->buf, cb->cmdlen, cb->buf,
+ cb->expected_reslen);
+ return pixma_check_result (cb);
+}
+
+static int
+has_paper (pixma_t * s)
+{
+ iclass_t *mf = (iclass_t *) s->subdriver;
+ return ((mf->current_status[1] & 0x0f) == 0 /* allow 0x10 as ADF paper OK */
+ || mf->current_status[1] == 81); /* allow 0x51 as ADF paper OK */
+}
+
+static int
+abort_session (pixma_t * s)
+{
+ iclass_t *mf = (iclass_t *) s->subdriver;
+ return pixma_exec_short_cmd (s, &mf->cb, cmd_abort_session);
+}
+
+static int
+query_status (pixma_t * s)
+{
+ iclass_t *mf = (iclass_t *) s->subdriver;
+ uint8_t *data;
+ int error;
+
+ data = pixma_newcmd (&mf->cb, cmd_status, 0, 12);
+ error = pixma_exec (s, &mf->cb);
+ if (error >= 0)
+ {
+ memcpy (mf->current_status, data, 12);
+ /*DBG (3, "Current status: paper=0x%02x cal=%u lamp=%u\n",
+ data[1], data[8], data[7]);*/
+ PDBG (pixma_dbg (3, "Current status: paper=0x%02x cal=%u lamp=%u\n",
+ data[1], data[8], data[7]));
+ }
+ return error;
+}
+
+static int
+activate (pixma_t * s, uint8_t x)
+{
+ iclass_t *mf = (iclass_t *) s->subdriver;
+ uint8_t *data = pixma_newcmd (&mf->cb, cmd_activate, 10, 0);
+ data[0] = 1;
+ data[3] = x;
+ switch (s->cfg->pid)
+ {
+ case MF4200_PID:
+ case MF4600_PID:
+ case MF6500_PID:
+ case D480_PID:
+ case D420_PID:
+ case MF4360_PID:
+ case MF4100_PID:
+ case MF8300_PID:
+ return iclass_exec (s, &mf->cb, 1);
+ break;
+ default:
+ return pixma_exec (s, &mf->cb);
+ }
+}
+
+static int
+start_session (pixma_t * s)
+{
+ iclass_t *mf = (iclass_t *) s->subdriver;
+ return pixma_exec_short_cmd (s, &mf->cb, cmd_start_session);
+}
+
+static int
+select_source (pixma_t * s)
+{
+ iclass_t *mf = (iclass_t *) s->subdriver;
+ uint8_t *data = pixma_newcmd (&mf->cb, cmd_select_source, 10, 0);
+ data[0] = (is_scanning_from_adf(s)) ? 2 : 1;
+ /* special settings for MF6100 */
+ data[5] = is_scanning_from_adfdup(s) ? 3 : ((s->cfg->pid == MF6100_PID && s->param->source == PIXMA_SOURCE_ADF) ? 1 : 0);
+ switch (s->cfg->pid)
+ {
+ case MF4200_PID:
+ case MF4600_PID:
+ case MF6500_PID:
+ case D480_PID:
+ case D420_PID:
+ case MF4360_PID:
+ case MF4100_PID:
+ case MF8300_PID:
+ return iclass_exec (s, &mf->cb, 0);
+ break;
+ default:
+ return pixma_exec (s, &mf->cb);
+ }
+}
+
+static int
+send_scan_param (pixma_t * s)
+{
+ iclass_t *mf = (iclass_t *) s->subdriver;
+ uint8_t *data;
+
+ data = pixma_newcmd (&mf->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 (mf->raw_width, data + 0x10);
+ pixma_set_be32 (s->param->h, data + 0x14);
+ data[0x18] = (s->param->channels == 1) ? 0x04 : 0x08;
+ data[0x19] = s->param->channels * ((s->param->depth == 1) ? 8 : s->param->depth); /* bits per pixel */
+ data[0x1f] = 0x7f;
+ data[0x20] = 0xff;
+ data[0x23] = 0x81;
+ switch (s->cfg->pid)
+ {
+ case MF4200_PID:
+ case MF4600_PID:
+ case MF6500_PID:
+ case D480_PID:
+ case D420_PID:
+ case MF4360_PID:
+ case MF4100_PID:
+ case MF8300_PID:
+ return iclass_exec (s, &mf->cb, 0);
+ break;
+ default:
+ return pixma_exec (s, &mf->cb);
+ }
+}
+
+static int
+request_image_block (pixma_t * s, unsigned flag, uint8_t * info,
+ unsigned * size, uint8_t * data, unsigned * datalen)
+{
+ iclass_t *mf = (iclass_t *) s->subdriver;
+ int error;
+ unsigned expected_len;
+ const int hlen = 2 + 6;
+
+ memset (mf->cb.buf, 0, 11);
+ /* generation 2 scanners use cmd_read_image2.
+ * MF6100, ... are exceptions */
+ pixma_set_be16 (((mf->generation >= 2
+ && s->cfg->pid != MF6100_PID) ? cmd_read_image2 : cmd_read_image), mf->cb.buf);
+ mf->cb.buf[8] = flag;
+ mf->cb.buf[10] = 0x06;
+ expected_len = (mf->generation >= 2 ||
+ s->cfg->pid == MF4600_PID ||
+ s->cfg->pid == MF6500_PID ||
+ s->cfg->pid == MF8030_PID) ? 512 : hlen;
+ mf->cb.reslen = pixma_cmd_transaction (s, mf->cb.buf, 11, mf->cb.buf, expected_len);
+ if (mf->cb.reslen >= hlen)
+ {
+ *info = mf->cb.buf[2];
+ *size = pixma_get_be16 (mf->cb.buf + 6); /* 16bit size */
+ error = 0;
+
+ if (mf->generation >= 2 ||
+ s->cfg->pid == MF4600_PID ||
+ s->cfg->pid == MF6500_PID ||
+ s->cfg->pid == MF8030_PID)
+ { /* 32bit size */
+ *datalen = mf->cb.reslen - hlen;
+ *size = (*datalen + hlen == 512) ? pixma_get_be32 (mf->cb.buf + 4) - *datalen : *size;
+ memcpy (data, mf->cb.buf + hlen, *datalen);
+ }
+ PDBG (pixma_dbg (11, "*request_image_block***** size = %u *****\n", *size));
+ }
+ else
+ {
+ error = PIXMA_EPROTO;
+ }
+ return error;
+}
+
+static int
+read_image_block (pixma_t * s, uint8_t * data, unsigned size)
+{
+ iclass_t *mf = (iclass_t *) s->subdriver;
+ int error;
+ unsigned maxchunksize, chunksize, count = 0;
+
+ maxchunksize = MAX_CHUNK_SIZE * ((mf->generation >= 2 ||
+ s->cfg->pid == MF4600_PID ||
+ s->cfg->pid == MF6500_PID ||
+ s->cfg->pid == MF8030_PID) ? 4 : 1);
+ while (size)
+ {
+ if (size >= maxchunksize)
+ chunksize = maxchunksize;
+ else if (size < MIN_CHUNK_SIZE)
+ chunksize = size;
+ else
+ chunksize = size - (size % MIN_CHUNK_SIZE);
+ error = pixma_read (s->io, data, chunksize);
+ if (error < 0)
+ return count;
+ count += error;
+ data += error;
+ size -= error;
+ }
+ return count;
+}
+
+static int
+read_error_info (pixma_t * s, void *buf, unsigned size)
+{
+ unsigned len = 16;
+ iclass_t *mf = (iclass_t *) s->subdriver;
+ uint8_t *data;
+ int error;
+
+ data = pixma_newcmd (&mf->cb, cmd_error_info, 0, len);
+ switch (s->cfg->pid)
+ {
+ case MF4200_PID:
+ case MF4600_PID:
+ case MF6500_PID:
+ case D480_PID:
+ case D420_PID:
+ case MF4360_PID:
+ case MF4100_PID:
+ case MF8300_PID:
+ error = iclass_exec (s, &mf->cb, 0);
+ break;
+ default:
+ error = pixma_exec (s, &mf->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
+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;
+ 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[15] & 1)
+ s->events = PIXMA_EV_BUTTON1;
+ return 1;
+}
+
+static int
+step1 (pixma_t * s)
+{
+ int error;
+ int rec_tmo;
+ iclass_t *mf = (iclass_t *) s->subdriver;
+
+ /* don't wait full timeout for 1st command */
+ rec_tmo = s->rec_tmo; /* save globel timeout */
+ s->rec_tmo = 2; /* set timeout to 2 seconds */
+ error = query_status (s);
+ s->rec_tmo = rec_tmo; /* restore global timeout */
+ if (error < 0)
+ {
+ PDBG (pixma_dbg (1, "WARNING: Resend first USB command after timeout!\n"));
+ error = query_status (s);
+ }
+ if (error < 0)
+ return error;
+
+ /* wait for inserted paper */
+ if (s->param->adf_wait != 0 && is_scanning_from_adf(s))
+ {
+ int tmo = s->param->adf_wait;
+
+ while (!has_paper (s) && --tmo >= 0 && !s->param->frontend_cancel)
+ {
+ if ((error = query_status (s)) < 0)
+ return error;
+ pixma_sleep (1000000);
+ PDBG (pixma_dbg(2, "No paper in ADF. Timed out in %d sec.\n", tmo));
+ }
+ /* canceled from frontend */
+ if (s->param->frontend_cancel)
+ {
+ return PIXMA_ECANCELED;
+ }
+ }
+ /* no paper inserted
+ * => abort session */
+ if (is_scanning_from_adf(s) && !has_paper (s))
+ {
+ return PIXMA_ENO_PAPER;
+ }
+ /* activate only seen for generation 1 scanners */
+ if (mf->generation == 1)
+ {
+ if (error >= 0)
+ error = activate (s, 0);
+ if (error >= 0)
+ error = activate (s, 4);
+ }
+ return error;
+}
+
+/* line in=rrr... ggg... bbb... line out=rgbrgbrgb... */
+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
+iclass_open (pixma_t * s)
+{
+ iclass_t *mf;
+ uint8_t *buf;
+
+ mf = (iclass_t *) calloc (1, sizeof (*mf));
+ if (!mf)
+ return PIXMA_ENOMEM;
+
+ buf = (uint8_t *) malloc (CMDBUF_SIZE);
+ if (!buf)
+ {
+ free (mf);
+ return PIXMA_ENOMEM;
+ }
+
+ s->subdriver = mf;
+ mf->state = state_idle;
+
+ mf->cb.buf = buf;
+ mf->cb.size = CMDBUF_SIZE;
+ mf->cb.res_header_len = 2;
+ mf->cb.cmd_header_len = 10;
+ mf->cb.cmd_len_field_ofs = 7;
+
+ /* adf scanning */
+ mf->adf_state = state_idle;
+
+ /* set generation = 2 for new multifunctionals */
+ mf->generation = (s->cfg->pid >= MF8030_PID) ? 2 : 1;
+ PDBG (pixma_dbg (3, "*iclass_open***** This is a generation %d scanner. *****\n", mf->generation));
+
+ 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
+iclass_close (pixma_t * s)
+{
+ iclass_t *mf = (iclass_t *) s->subdriver;
+
+ iclass_finish_scan (s);
+ free (mf->cb.buf);
+ free (mf->buf);
+ free (mf);
+ s->subdriver = NULL;
+}
+
+static int
+iclass_check_param (pixma_t * s, pixma_scan_param_t * sp)
+{
+ UNUSED (s);
+
+ /* PDBG (pixma_dbg (4, "*iclass_check_param***** Initially: channels=%u, depth=%u, x=%u, y=%u, w=%u, line_size=%" PRIu64 " , h=%u*****\n",
+ sp->channels, sp->depth, sp->x, sp->y, sp->w, sp->line_size, sp->h)); */
+
+ sp->depth = 8;
+ sp->software_lineart = 0;
+ if (sp->mode == PIXMA_SCAN_MODE_LINEART)
+ {
+ sp->software_lineart = 1;
+ sp->channels = 1;
+ sp->depth = 1;
+ }
+
+ if (sp->software_lineart == 1)
+ {
+ unsigned w_max;
+
+ /* for software lineart line_size and w must be a multiple of 8 */
+ sp->line_size = ALIGN_SUP (sp->w, 8) * sp->channels;
+ sp->w = ALIGN_SUP (sp->w, 8);
+
+ /* do not exceed the scanner capability */
+ w_max = s->cfg->width * s->cfg->xdpi / 75;
+ w_max -= w_max % 32;
+ if (sp->w > w_max)
+ sp->w = w_max;
+ }
+ else
+ sp->line_size = ALIGN_SUP (sp->w, 32) * sp->channels;
+
+ /* 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);
+
+ /* PDBG (pixma_dbg (4, "*iclass_check_param***** Finally: channels=%u, depth=%u, x=%u, y=%u, w=%u, line_size=%" PRIu64 " , h=%u*****\n",
+ sp->channels, sp->depth, sp->x, sp->y, sp->w, sp->line_size, sp->h)); */
+
+ return 0;
+}
+
+static int
+iclass_scan (pixma_t * s)
+{
+ int error, n;
+ iclass_t *mf = (iclass_t *) s->subdriver;
+ uint8_t *buf, ignore;
+ unsigned buf_len, ignore2;
+
+ if (mf->state != state_idle)
+ return PIXMA_EBUSY;
+
+ /* clear interrupt packets buffer */
+ while (handle_interrupt (s, 0) > 0)
+ {
+ }
+
+ mf->raw_width = ALIGN_SUP (s->param->w, 32);
+ PDBG (pixma_dbg (3, "raw_width = %u\n", mf->raw_width));
+
+ n = IMAGE_BLOCK_SIZE / s->param->line_size + 1;
+ buf_len = (n + 1) * s->param->line_size + IMAGE_BLOCK_SIZE;
+ if (buf_len > mf->buf_len)
+ {
+ buf = (uint8_t *) realloc (mf->buf, buf_len);
+ if (!buf)
+ return PIXMA_ENOMEM;
+ mf->buf = buf;
+ mf->buf_len = buf_len;
+ }
+ mf->lineptr = mf->buf;
+ mf->blkptr = mf->buf + n * s->param->line_size;
+ mf->blk_len = 0;
+
+ error = step1 (s);
+ if (error >= 0
+ && (s->param->adf_pageid == 0 || mf->generation == 1 || mf->adf_state == state_idle))
+ { /* single sheet or first sheet from ADF */
+ PDBG (pixma_dbg (3, "*iclass_scan***** start scanning *****\n"));
+ error = start_session (s);
+ if (error >= 0)
+ mf->state = state_scanning;
+ if (error >= 0)
+ error = select_source (s);
+ }
+ else if (error >= 0)
+ { /* next sheet from ADF */
+ PDBG (pixma_dbg (3, "*iclass_scan***** scan next sheet from ADF *****\n"));
+ mf->state = state_scanning;
+ }
+ if (error >= 0)
+ error = send_scan_param (s);
+ if (error >= 0)
+ error = request_image_block (s, 0, &ignore, &ignore2, &ignore, &ignore2);
+ if (error < 0)
+ {
+ iclass_finish_scan (s);
+ return error;
+ }
+ mf->last_block = 0;
+
+ /* ADF scanning active */
+ if (is_scanning_from_adf (s))
+ mf->adf_state = state_scanning;
+ return 0;
+}
+
+
+static int
+iclass_fill_buffer (pixma_t * s, pixma_imagebuf_t * ib)
+{
+ int error, n;
+ iclass_t *mf = (iclass_t *) s->subdriver;
+ unsigned block_size, lines_size, lineart_lines_size, first_block_size;
+ uint8_t info;
+
+/*
+ * 1. send a block request cmd (d4 20 00... 04 00 06)
+ * 2. examine the response for block size and/or end-of-scan flag
+ * 3. read the block one chunk at a time
+ * 4. repeat until have enough to process >=1 lines
+ */
+ do
+ {
+ do
+ {
+ if (s->cancel)
+ return PIXMA_ECANCELED;
+ if (mf->last_block)
+ {
+ /* end of image */
+ mf->state = state_finished;
+ return 0;
+ }
+
+ first_block_size = 0;
+ error = request_image_block (s, 4, &info, &block_size,
+ mf->blkptr + mf->blk_len, &first_block_size);
+ /* add current block to remainder of previous */
+ mf->blk_len += first_block_size;
+ if (error < 0)
+ {
+ /* NOTE: seen in traffic logs but don't know the meaning. */
+ read_error_info (s, NULL, 0);
+ if (error == PIXMA_ECANCELED)
+ return error;
+ }
+
+ /* info: 0x28 = end; 0x38 = end + ADF empty */
+ mf->last_block = info & 0x38;
+ if ((info & ~0x38) != 0)
+ {
+ PDBG (pixma_dbg (1, "WARNING: Unexpected result header\n"));
+ PDBG (pixma_hexdump (1, &info, 1));
+ }
+
+ 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 && first_block_size == 0);
+
+ error = read_image_block (s, mf->blkptr + mf->blk_len, block_size);
+ block_size = error;
+ if (error < 0)
+ return error;
+
+ /* add current block to remainder of previous */
+ mf->blk_len += block_size;
+ /* n = number of full lines (rows) we have in the buffer. */
+ n = mf->blk_len / ((s->param->mode == PIXMA_SCAN_MODE_LINEART) ? mf->raw_width : s->param->line_size);
+ if (n != 0)
+ {
+ /* PDBG (pixma_dbg (4, "*iclass_fill_buffer***** Processing with n=%d, w=%i, line_size=%" PRIu64 ", raw_width=%u ***** \n",
+ n, s->param->w, s->param->line_size, mf->raw_width)); */
+ /* PDBG (pixma_dbg (4, "*iclass_fill_buffer***** scan_mode=%d, lineptr=%" PRIu64 ", blkptr=%" PRIu64 " \n",
+ s->param->mode, (uint64_t)mf->lineptr, (uint64_t)mf->blkptr)); */
+
+ /* gray to lineart convert
+ * mf->lineptr : image line
+ * mf->blkptr : scanned image block as grayscale
+ * s->param->w : image width
+ * s->param->line_size : scanned image width */
+ if (s->param->mode == PIXMA_SCAN_MODE_LINEART)
+ {
+ int i;
+ uint8_t *sptr, *dptr;
+
+ /* PDBG (pixma_dbg (4, "*iclass_fill_buffer***** Processing lineart *****\n")); */
+
+ /* process ALL lines */
+ sptr = mf->blkptr;
+ dptr = mf->lineptr;
+ for (i = 0; i < n; i++, sptr += mf->raw_width)
+ dptr = pixma_binarize_line (s->param, dptr, sptr, s->param->line_size, 1);
+ }
+ else if (s->param->channels != 1 &&
+ mf->generation == 1 &&
+ s->cfg->pid != MF4600_PID &&
+ s->cfg->pid != MF6500_PID &&
+ s->cfg->pid != MF8030_PID)
+ {
+ /* color and not MF46xx or MF65xx */
+ pack_rgb (mf->blkptr, n, mf->raw_width, mf->lineptr);
+ }
+ else
+ {
+ /* grayscale */
+ memcpy (mf->lineptr, mf->blkptr, n * s->param->line_size);
+ }
+ /* cull remainder and shift left */
+ lineart_lines_size = n * s->param->line_size / 8;
+ lines_size = n * ((s->param->mode == PIXMA_SCAN_MODE_LINEART) ? mf->raw_width : s->param->line_size);
+ mf->blk_len -= lines_size;
+ memcpy (mf->blkptr, mf->blkptr + lines_size, mf->blk_len);
+ }
+ }
+ while (n == 0);
+
+ /* output full lines, keep partial lines for next block
+ * ib->rptr : start of image buffer
+ * ib->rend : end of image buffer */
+ ib->rptr = mf->lineptr;
+ ib->rend = mf->lineptr + (s->param->mode == PIXMA_SCAN_MODE_LINEART ? lineart_lines_size : lines_size);
+ /* PDBG (pixma_dbg (4, "*iclass_fill_buffer***** rptr=%" PRIu64 ", rend=%" PRIu64 ", diff=%ld \n",
+ (uint64_t)ib->rptr, (uint64_t)ib->rend, ib->rend - ib->rptr)); */
+ return ib->rend - ib->rptr;
+}
+
+static void
+iclass_finish_scan (pixma_t * s)
+{
+ int error;
+ iclass_t *mf = (iclass_t *) s->subdriver;
+
+ switch (mf->state)
+ {
+ /* fall through */
+ case state_warmup:
+ case state_scanning:
+ 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);
+ if (mf->generation == 1)
+ { /* activate only seen for generation 1 scanners */
+ activate (s, 0);
+ query_status (s);
+ }
+ /* generation = 1:
+ * 0x28 = last block (no multi page scan)
+ * generation >= 2:
+ * 0x38 = last block and ADF empty (generation >= 2)
+ * 0x28 = last block and Paper in ADF (multi page scan)
+ * some generation 2 scanners don't use 0x38 for ADF empty => check status */
+ if (mf->last_block==0x38 /* generation 2 scanner ADF empty */
+ || (mf->generation == 1 && mf->last_block == 0x28) /* generation 1 scanner last block */
+ || (mf->generation >= 2 && !has_paper(s))) /* check status: no paper in ADF */
+ {
+ /* ADFDUP scan: wait for 8sec to throw last page out of ADF feeder */
+ if (is_scanning_from_adfdup(s))
+ {
+ PDBG (pixma_dbg (4, "*iclass_finish_scan***** sleep for 8s *****\n"));
+ pixma_sleep(8000000); /* sleep for 8s */
+ query_status (s);
+ }
+ PDBG (pixma_dbg (3, "*iclass_finish_scan***** abort session *****\n"));
+ abort_session (s);
+ mf->adf_state = state_idle;
+ mf->last_block = 0;
+ }
+ else
+ PDBG (pixma_dbg (3, "*iclass_finish_scan***** wait for next page from ADF *****\n"));
+
+ mf->state = state_idle;
+ /* fall through */
+ case state_idle:
+ break;
+ }
+}
+
+static void
+iclass_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
+iclass_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_iclass_ops = {
+ iclass_open,
+ iclass_close,
+ iclass_scan,
+ iclass_fill_buffer,
+ iclass_finish_scan,
+ iclass_wait_event,
+ iclass_check_param,
+ iclass_get_status
+};
+
+#define DEV(name, model, pid, dpi, adftpu_max_dpi, w, h, cap) { \
+ name, /* name */ \
+ model, /* model */ \
+ 0x04a9, pid, /* vid pid */ \
+ 1, /* iface */ \
+ &pixma_iclass_ops, /* ops */ \
+ 0, /* min_xdpi not used in this subdriver */ \
+ dpi, dpi, /* xdpi, ydpi */ \
+ 0, /* adftpu_min_dpi not used in this subdriver */ \
+ adftpu_max_dpi, /* adftpu_max_dpi */ \
+ 0, 0, /* tpuir_min_dpi & tpuir_max_dpi not used in this subdriver */ \
+ w, h, /* width, height */ \
+ PIXMA_CAP_LINEART| /* all scanners have software lineart */ \
+ PIXMA_CAP_ADF_WAIT| /* adf wait for all ADF and ADFDUP scanners */ \
+ PIXMA_CAP_GRAY|PIXMA_CAP_EVENTS|cap \
+}
+const pixma_config_t pixma_iclass_devices[] = {
+ DEV ("Canon imageCLASS MF4270", "MF4270", MF4200_PID, 600, 0, 640, 877, PIXMA_CAP_ADF),
+ DEV ("Canon imageCLASS MF4150", "MF4100", MF4100_PID, 600, 0, 640, 877, PIXMA_CAP_ADF),
+ DEV ("Canon imageCLASS MF4690", "MF4690", MF4600_PID, 600, 0, 640, 877, PIXMA_CAP_ADF),
+ DEV ("Canon imageCLASS D420", "D420", D420_PID, 600, 0, 640, 877, PIXMA_CAP_ADFDUP),
+ DEV ("Canon imageCLASS D480", "D480", D480_PID, 600, 0, 640, 877, PIXMA_CAP_ADFDUP),
+ DEV ("Canon imageCLASS MF4360", "MF4360", MF4360_PID, 600, 0, 640, 877, PIXMA_CAP_ADFDUP),
+ DEV ("Canon imageCLASS MF4320", "MF4320", MF4320_PID, 600, 0, 640, 877, PIXMA_CAP_ADF),
+ DEV ("Canon imageCLASS MF4010", "MF4010", MF4010_PID, 600, 0, 640, 877, 0),
+ DEV ("Canon imageCLASS MF3240", "MF3240", MF3200_PID, 600, 0, 640, 877, 0),
+ DEV ("Canon imageClass MF6500", "MF6500", MF6500_PID, 600, 0, 640, 877, PIXMA_CAP_ADF),
+ DEV ("Canon imageCLASS MF4410", "MF4410", MF4410_PID, 600, 0, 640, 877, PIXMA_CAP_ADF),
+ DEV ("Canon imageCLASS D550", "D550", D550_PID, 600, 0, 640, 1050, PIXMA_CAP_ADF),
+ DEV ("Canon i-SENSYS MF4500 Series", "MF4500", MF4500_PID, 600, 0, 640, 877, PIXMA_CAP_ADF),
+ DEV ("Canon i-SENSYS MF3010", "MF3010", MF3010_PID, 600, 0, 640, 877, 0),
+ DEV ("Canon i-SENSYS MF4700 Series", "MF4700", MF4700_PID, 600, 0, 640, 1050, PIXMA_CAP_ADF),
+ DEV ("Canon i-SENSYS MF4800 Series", "MF4800", MF4800_PID, 600, 0, 640, 1050, PIXMA_CAP_ADF),
+ DEV ("Canon imageCLASS MF4570dw", "MF4570dw", MF4570_PID, 600, 0, 640, 877, 0),
+ DEV ("Canon i-SENSYS MF8200C Series", "MF8200C", MF8200_PID, 600, 300, 640, 1050, PIXMA_CAP_ADF),
+ DEV ("Canon i-SENSYS MF8300 Series", "MF8300", MF8300_PID, 600, 0, 640, 1050, PIXMA_CAP_ADF),
+ DEV ("Canon imageCLASS D530", "D530", D530_PID, 600, 0, 640, 877, 0),
+ /* FIXME: the following capabilities all need updating/verifying */
+ DEV ("Canon imageCLASS MF5630", "MF5630", MF5630_PID, 600, 0, 640, 877, PIXMA_CAP_ADF),
+ DEV ("Canon laserBase MF5650", "MF5650", MF5650_PID, 600, 0, 640, 877, PIXMA_CAP_ADF),
+ DEV ("Canon imageCLASS MF8170c", "MF8170c", MF8100_PID, 600, 0, 640, 877, PIXMA_CAP_ADF),
+ DEV ("Canon imageClass MF8030", "MF8030", MF8030_PID, 600, 0, 640, 877, PIXMA_CAP_ADF),
+ DEV ("Canon i-SENSYS MF5880dn", "MF5880", MF5880_PID, 600, 0, 640, 877, PIXMA_CAP_ADFDUP),
+ DEV ("Canon i-SENSYS MF6680dn", "MF6680", MF6680_PID, 600, 0, 640, 877, PIXMA_CAP_ADFDUP),
+ DEV ("Canon imageRUNNER 1133", "iR1133", IR1133_PID, 600, 0, 637, 877, PIXMA_CAP_ADFDUP), /* max. w = 216mm */
+ DEV ("Canon i-SENSYS MF5900 Series", "MF5900", MF5900_PID, 600, 0, 640, 1050, PIXMA_CAP_ADFDUP),
+ DEV ("Canon i-SENSYS MF8500C Series", "MF8500C", MF8500_PID, 600, 0, 640, 1050, PIXMA_CAP_ADFDUP),
+ DEV ("Canon i-SENSYS MF6100 Series", "MF6100", MF6100_PID, 600, 300, 640, 1050, PIXMA_CAP_ADFDUP),
+ DEV ("Canon imageClass MF810/820", "MF810/820", MF820_PID, 600, 0, 640, 1050, PIXMA_CAP_ADFDUP),
+ DEV ("Canon i-SENSYS MF220 Series", "MF220", MF220_PID, 600, 0, 637, 1050, PIXMA_CAP_ADFDUP), /* max. w = 216mm */
+ DEV ("Canon i-SENSYS MF210 Series", "MF210", MF210_PID, 600, 0, 637, 1050, PIXMA_CAP_ADF), /* max. w = 216mm */
+ DEV ("Canon i-SENSYS MF620 Series", "MF620", MF620_PID, 600, 0, 637, 1050, PIXMA_CAP_ADF),
+ DEV ("Canon i-SENSYS MF410 Series", "MF410", MF410_PID, 600, 0, 637, 1050, PIXMA_CAP_ADFDUP), /* max. w = 216mm */
+ DEV ("Canon i-SENSYS MF510 Series", "MF510", MF510_PID, 600, 0, 640, 1050, PIXMA_CAP_ADFDUP),
+ DEV ("Canon i-SENSYS MF230 Series", "MF230", MF230_PID, 600, 0, 637, 1050, PIXMA_CAP_ADF), /* max. w = 216mm */
+ DEV ("Canon i-SENSYS MF240 Series", "MF240", MF240_PID, 600, 300, 634, 1050, PIXMA_CAP_ADF), /* max. w = 215mm, */
+ /* TODO: fix black stripes for 216mm @ 600dpi */
+ DEV ("Canon i-SENSYS MF630 Series", "MF630", MF630_PID, 600, 0, 637, 1050, PIXMA_CAP_ADFDUP),
+ DEV ("Canon i-SENSYS MF730 Series", "MF730", MF730_PID, 600, 0, 637, 1050, PIXMA_CAP_ADFDUP),
+ DEV ("Canon i-SENSYS MF731C", "MF731", MF731_PID, 600, 0, 637, 1050, PIXMA_CAP_ADFDUP),
+ DEV ("Canon i-SENSYS MF633C/MF635C", "MF633C/635C", MF630_PID, 600, 0, 637, 877, PIXMA_CAP_ADFDUP), /* max. w = 216mm */
+ DEV ("Canon imageCLASS MF634C", "MF632C/634C", MF634_PID, 600, 0, 637, 1050, PIXMA_CAP_ADFDUP),
+ DEV ("Canon imageCLASS MF733C", "MF731C/733C", MF731_PID, 600, 0, 637, 1050, PIXMA_CAP_ADFDUP), /* however, we need this for ethernet/wifi */
+ DEV ("Canon imageCLASS D570", "D570", D570_PID, 600, 0, 640, 877, 0),
+ DEV ("Canon i-SENSYS MF110 Series", "MF110", MF110_PID, 600, 0, 640, 1050, 0),
+ DEV ("Canon i-SENSYS MF520 Series", "MF520", MF520_PID, 600, 0, 640, 1050, PIXMA_CAP_ADFDUP),
+ DEV ("Canon i-SENSYS MF420 Series", "MF420", MF420_PID, 600, 0, 640, 1050, PIXMA_CAP_ADFDUP),
+ DEV ("Canon i-SENSYS MF260 Series", "MF260", MF260_PID, 600, 0, 640, 1050, PIXMA_CAP_ADFDUP),
+ DEV ("Canon i-SENSYS MF740 Series", "MF740", MF740_PID, 600, 0, 640, 1050, PIXMA_CAP_ADFDUP),
+ DEV ("Canon i-SENSYS MF741C/743C", "MF741C/743C", MF743_PID, 600, 300, 640, 1050, PIXMA_CAP_ADFDUP), /* ADFDUP restricted to 300dpi */
+ DEV ("Canon i-SENSYS MF640 Series", "MF642C/643C/644C", MF640_PID, 600, 0, 640, 1050, PIXMA_CAP_ADFDUP),
+ DEV ("Canon i-SENSYS MF645C", "MF645C", MF645_PID, 600, 0, 637, 877, PIXMA_CAP_ADFDUP), /* max. w = 216mm */
+ DEV (NULL, NULL, 0, 0, 0, 0, 0, 0)
+};