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authorJörg Frings-Fürst <debian@jff-webhosting.net>2019-07-31 16:59:49 +0200
committerJörg Frings-Fürst <debian@jff-webhosting.net>2019-07-31 16:59:49 +0200
commit1687222e1b9e74c89cafbb5910e72d8ec7bfd40f (patch)
treed78102ce30207c63e7608eeba743efd680c888dc /backend/genesys_gl841.c
parent58912f68c2489bcee787599837447e0d64dfd61a (diff)
New upstream version 1.0.28upstream/1.0.28
Diffstat (limited to 'backend/genesys_gl841.c')
-rw-r--r--backend/genesys_gl841.c6383
1 files changed, 0 insertions, 6383 deletions
diff --git a/backend/genesys_gl841.c b/backend/genesys_gl841.c
deleted file mode 100644
index 43c01ff..0000000
--- a/backend/genesys_gl841.c
+++ /dev/null
@@ -1,6383 +0,0 @@
-/* sane - Scanner Access Now Easy.
-
- Copyright (C) 2003 Oliver Rauch
- Copyright (C) 2003, 2004 Henning Meier-Geinitz <henning@meier-geinitz.de>
- Copyright (C) 2004 Gerhard Jaeger <gerhard@gjaeger.de>
- Copyright (C) 2004-2013 Stéphane Voltz <stef.dev@free.fr>
- Copyright (C) 2005 Philipp Schmid <philipp8288@web.de>
- Copyright (C) 2005-2009 Pierre Willenbrock <pierre@pirsoft.dnsalias.org>
- Copyright (C) 2006 Laurent Charpentier <laurent_pubs@yahoo.com>
- Copyright (C) 2010 Chris Berry <s0457957@sms.ed.ac.uk> and Michael Rickmann <mrickma@gwdg.de>
- for Plustek Opticbook 3600 support
-
-
- 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.
-*/
-
-#undef BACKEND_NAME
-#define BACKEND_NAME genesys_gl841
-
-#include "genesys_gl841.h"
-
-/****************************************************************************
- Low level function
- ****************************************************************************/
-
-/* ------------------------------------------------------------------------ */
-/* Read and write RAM, registers and AFE */
-/* ------------------------------------------------------------------------ */
-
-/* Write to many registers */
-/* Note: There is no known bulk register write,
- this function is sending single registers instead */
-static SANE_Status
-gl841_bulk_write_register (Genesys_Device * dev,
- Genesys_Register_Set * reg, size_t elems)
-{
- SANE_Status status = SANE_STATUS_GOOD;
- unsigned int i, c;
- uint8_t buffer[GENESYS_MAX_REGS * 2];
-
- /* handle differently sized register sets, reg[0x00] is the last one */
- i = 0;
- while ((i < elems) && (reg[i].address != 0))
- i++;
-
- elems = i;
-
- DBG (DBG_io, "gl841_bulk_write_register (elems = %lu)\n",
- (u_long) elems);
-
- for (i = 0; i < elems; i++) {
-
- buffer[i * 2 + 0] = reg[i].address;
- buffer[i * 2 + 1] = reg[i].value;
-
- DBG (DBG_io2, "reg[0x%02x] = 0x%02x\n", buffer[i * 2 + 0],
- buffer[i * 2 + 1]);
- }
-
- for (i = 0; i < elems;) {
- c = elems - i;
- if (c > 32) /*32 is max. checked that.*/
- c = 32;
- status =
- sanei_usb_control_msg (dev->dn, REQUEST_TYPE_OUT, REQUEST_BUFFER,
- VALUE_SET_REGISTER, INDEX, c * 2, buffer + i * 2);
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error,
- "gl841_bulk_write_register: failed while writing command: %s\n",
- sane_strstatus (status));
- return status;
- }
-
- i += c;
- }
-
- DBG (DBG_io, "gl841_bulk_write_register: wrote %lu registers\n",
- (u_long) elems);
- return status;
-}
-
-/* Write bulk data (e.g. shading, gamma) */
-static SANE_Status
-gl841_bulk_write_data (Genesys_Device * dev, uint8_t addr,
- uint8_t * data, size_t len)
-{
- SANE_Status status;
- size_t size;
- uint8_t outdata[8];
-
- DBG (DBG_io, "gl841_bulk_write_data writing %lu bytes\n",
- (u_long) len);
-
- status =
- sanei_usb_control_msg (dev->dn, REQUEST_TYPE_OUT, REQUEST_REGISTER,
- VALUE_SET_REGISTER, INDEX, 1, &addr);
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error,
- "gl841_bulk_write_data failed while setting register: %s\n",
- sane_strstatus (status));
- return status;
- }
-
- while (len)
- {
- if (len > BULKOUT_MAXSIZE)
- size = BULKOUT_MAXSIZE;
- else
- size = len;
-
- outdata[0] = BULK_OUT;
- outdata[1] = BULK_RAM;
- outdata[2] = VALUE_BUFFER & 0xff;
- outdata[3] = (VALUE_BUFFER >> 8) & 0xff;
- outdata[4] = (size & 0xff);
- outdata[5] = ((size >> 8) & 0xff);
- outdata[6] = ((size >> 16) & 0xff);
- outdata[7] = ((size >> 24) & 0xff);
-
- status =
- sanei_usb_control_msg (dev->dn, REQUEST_TYPE_OUT, REQUEST_BUFFER,
- VALUE_BUFFER, INDEX, sizeof (outdata),
- outdata);
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error,
- "gl841_bulk_write_data failed while writing command: %s\n",
- sane_strstatus (status));
- return status;
- }
-
- status = sanei_usb_write_bulk (dev->dn, data, &size);
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error,
- "gl841_bulk_write_data failed while writing bulk data: %s\n",
- sane_strstatus (status));
- return status;
- }
-
- DBG (DBG_io2,
- "gl841_bulk_write_data wrote %lu bytes, %lu remaining\n",
- (u_long) size, (u_long) (len - size));
-
- len -= size;
- data += size;
- }
-
- DBG (DBG_io, "gl841_bulk_write_data: completed\n");
-
- return status;
-}
-
-/* for debugging transfer rate*/
-/*
-#include <sys/time.h>
-static struct timeval start_time;
-static void
-starttime(){
- gettimeofday(&start_time,NULL);
-}
-static void
-printtime(char *p) {
- struct timeval t;
- long long int dif;
- gettimeofday(&t,NULL);
- dif = t.tv_sec - start_time.tv_sec;
- dif = dif*1000000 + t.tv_usec - start_time.tv_usec;
- fprintf(stderr,"%s %lluµs\n",p,dif);
-}
-*/
-
-/* Read bulk data (e.g. scanned data) */
-static SANE_Status
-gl841_bulk_read_data (Genesys_Device * dev, uint8_t addr,
- uint8_t * data, size_t len)
-{
- SANE_Status status;
- size_t size, target;
- uint8_t outdata[8], *buffer;
-
- DBG (DBG_io, "gl841_bulk_read_data: requesting %lu bytes\n",
- (u_long) len);
-
- if (len == 0)
- return SANE_STATUS_GOOD;
-
- status =
- sanei_usb_control_msg (dev->dn, REQUEST_TYPE_OUT, REQUEST_REGISTER,
- VALUE_SET_REGISTER, INDEX, 1, &addr);
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error,
- "gl841_bulk_read_data failed while setting register: %s\n",
- sane_strstatus (status));
- return status;
- }
-
- outdata[0] = BULK_IN;
- outdata[1] = BULK_RAM;
- outdata[2] = VALUE_BUFFER & 0xff;
- outdata[3] = (VALUE_BUFFER >> 8) & 0xff;
- outdata[4] = (len & 0xff);
- outdata[5] = ((len >> 8) & 0xff);
- outdata[6] = ((len >> 16) & 0xff);
- outdata[7] = ((len >> 24) & 0xff);
-
- status =
- sanei_usb_control_msg (dev->dn, REQUEST_TYPE_OUT, REQUEST_BUFFER,
- VALUE_BUFFER, INDEX, sizeof (outdata), outdata);
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error,
- "gl841_bulk_read_data failed while writing command: %s\n",
- sane_strstatus (status));
- return status;
- }
-
- target = len;
- buffer = data;
- while (target)
- {
- if (target > BULKIN_MAXSIZE)
- size = BULKIN_MAXSIZE;
- else
- size = target;
-
- DBG (DBG_io2,
- "gl841_bulk_read_data: trying to read %lu bytes of data\n",
- (u_long) size);
-
- status = sanei_usb_read_bulk (dev->dn, data, &size);
-
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error,
- "gl841_bulk_read_data failed while reading bulk data: %s\n",
- sane_strstatus (status));
- return status;
- }
-
- DBG (DBG_io2,
- "gl841_bulk_read_data read %lu bytes, %lu remaining\n",
- (u_long) size, (u_long) (target - size));
-
- target -= size;
- data += size;
- }
-
-
- if (DBG_LEVEL >= DBG_data && dev->binary!=NULL)
- {
- fwrite(buffer, len, 1, dev->binary);
- }
- DBGCOMPLETED;
- return SANE_STATUS_GOOD;
-}
-
-/* Set address for writing data */
-static SANE_Status
-gl841_set_buffer_address_gamma (Genesys_Device * dev, uint32_t addr)
-{
- SANE_Status status;
-
- DBG (DBG_io, "gl841_set_buffer_address_gamma: setting address to 0x%05x\n",
- addr & 0xfffffff0);
-
- addr = addr >> 4;
-
- status = sanei_genesys_write_register (dev, 0x5c, (addr & 0xff));
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error,
- "gl841_set_buffer_address_gamma: failed while writing low byte: %s\n",
- sane_strstatus (status));
- return status;
- }
-
- addr = addr >> 8;
- status = sanei_genesys_write_register (dev, 0x5b, (addr & 0xff));
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error,
- "gl841_set_buffer_address_gamma: failed while writing high byte: %s\n",
- sane_strstatus (status));
- return status;
- }
-
- DBG (DBG_io, "gl841_set_buffer_address_gamma: completed\n");
-
- return status;
-}
-
-/* Write bulk data (e.g. gamma) */
-GENESYS_STATIC SANE_Status
-gl841_bulk_write_data_gamma (Genesys_Device * dev, uint8_t addr,
- uint8_t * data, size_t len)
-{
- SANE_Status status;
- size_t size;
- uint8_t outdata[8];
-
- DBG (DBG_io, "gl841_bulk_write_data_gamma writing %lu bytes\n",
- (u_long) len);
-
- status =
- sanei_usb_control_msg (dev->dn, REQUEST_TYPE_OUT, REQUEST_REGISTER,
- VALUE_SET_REGISTER, INDEX, 1, &addr);
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error,
- "genesys_bulk_write_data_gamma failed while setting register: %s\n",
- sane_strstatus (status));
- return status;
- }
-
- while (len)
- {
- if (len > BULKOUT_MAXSIZE)
- size = BULKOUT_MAXSIZE;
- else
- size = len;
-
- outdata[0] = BULK_OUT;
- outdata[1] = BULK_RAM;
- outdata[2] = 0x00;/* 0x82 works, too */
- outdata[3] = 0x00;
- outdata[4] = (size & 0xff);
- outdata[5] = ((size >> 8) & 0xff);
- outdata[6] = ((size >> 16) & 0xff);
- outdata[7] = ((size >> 24) & 0xff);
-
- status =
- sanei_usb_control_msg (dev->dn, REQUEST_TYPE_OUT, REQUEST_BUFFER,
- VALUE_BUFFER, INDEX, sizeof (outdata),
- outdata);
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error,
- "genesys_bulk_write_data_gamma failed while writing command: %s\n",
- sane_strstatus (status));
- return status;
- }
-
- status = sanei_usb_write_bulk (dev->dn, data, &size);
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error,
- "genesys_bulk_write_data_gamma failed while writing bulk data: %s\n",
- sane_strstatus (status));
- return status;
- }
-
- DBG (DBG_io2,
- "genesys_bulk_write_data:gamma wrote %lu bytes, %lu remaining\n",
- (u_long) size, (u_long) (len - size));
-
- len -= size;
- data += size;
- }
-
- DBG (DBG_io, "genesys_bulk_write_data_gamma: completed\n");
-
- return status;
-}
-
-
-/****************************************************************************
- Mid level functions
- ****************************************************************************/
-
-static SANE_Bool
-gl841_get_fast_feed_bit (Genesys_Register_Set * regs)
-{
- Genesys_Register_Set *r = NULL;
-
- r = sanei_genesys_get_address (regs, 0x02);
- if (r && (r->value & REG02_FASTFED))
- return SANE_TRUE;
- return SANE_FALSE;
-}
-
-static SANE_Bool
-gl841_get_filter_bit (Genesys_Register_Set * regs)
-{
- Genesys_Register_Set *r = NULL;
-
- r = sanei_genesys_get_address (regs, 0x04);
- if (r && (r->value & REG04_FILTER))
- return SANE_TRUE;
- return SANE_FALSE;
-}
-
-static SANE_Bool
-gl841_get_lineart_bit (Genesys_Register_Set * regs)
-{
- Genesys_Register_Set *r = NULL;
-
- r = sanei_genesys_get_address (regs, 0x04);
- if (r && (r->value & REG04_LINEART))
- return SANE_TRUE;
- return SANE_FALSE;
-}
-
-static SANE_Bool
-gl841_get_bitset_bit (Genesys_Register_Set * regs)
-{
- Genesys_Register_Set *r = NULL;
-
- r = sanei_genesys_get_address (regs, 0x04);
- if (r && (r->value & REG04_BITSET))
- return SANE_TRUE;
- return SANE_FALSE;
-}
-
-static SANE_Bool
-gl841_get_gain4_bit (Genesys_Register_Set * regs)
-{
- Genesys_Register_Set *r = NULL;
-
- r = sanei_genesys_get_address (regs, 0x06);
- if (r && (r->value & REG06_GAIN4))
- return SANE_TRUE;
- return SANE_FALSE;
-}
-
-static SANE_Bool
-gl841_test_buffer_empty_bit (SANE_Byte val)
-{
- if (val & REG41_BUFEMPTY)
- return SANE_TRUE;
- return SANE_FALSE;
-}
-
-static SANE_Bool
-gl841_test_motor_flag_bit (SANE_Byte val)
-{
- if (val & REG41_MOTORENB)
- return SANE_TRUE;
- return SANE_FALSE;
-}
-
-/** copy sensor specific settings */
-/* *dev : device infos
- *regs : registers to be set
- extended : do extended set up
- half_ccd: set up for half ccd resolution
- all registers 08-0B, 10-1D, 52-59 are set up. They shouldn't
- appear anywhere else but in register_ini
-
-Responsible for signals to CCD/CIS:
- CCD_CK1X (CK1INV(0x16),CKDIS(0x16),CKTOGGLE(0x18),CKDELAY(0x18),MANUAL1(0x1A),CK1MTGL(0x1C),CK1LOW(0x1D),CK1MAP(0x74,0x75,0x76),CK1NEG(0x7D))
- CCD_CK2X (CK2INV(0x16),CKDIS(0x16),CKTOGGLE(0x18),CKDELAY(0x18),MANUAL1(0x1A),CK1LOW(0x1D),CK1NEG(0x7D))
- CCD_CK3X (MANUAL3(0x1A),CK3INV(0x1A),CK3MTGL(0x1C),CK3LOW(0x1D),CK3MAP(0x77,0x78,0x79),CK3NEG(0x7D))
- CCD_CK4X (MANUAL3(0x1A),CK4INV(0x1A),CK4MTGL(0x1C),CK4LOW(0x1D),CK4MAP(0x7A,0x7B,0x7C),CK4NEG(0x7D))
- CCD_CPX (CTRLHI(0x16),CTRLINV(0x16),CTRLDIS(0x16),CPH(0x72),CPL(0x73),CPNEG(0x7D))
- CCD_RSX (CTRLHI(0x16),CTRLINV(0x16),CTRLDIS(0x16),RSH(0x70),RSL(0x71),RSNEG(0x7D))
- CCD_TGX (TGINV(0x16),TGMODE(0x17),TGW(0x17),EXPR(0x10,0x11),TGSHLD(0x1D))
- CCD_TGG (TGINV(0x16),TGMODE(0x17),TGW(0x17),EXPG(0x12,0x13),TGSHLD(0x1D))
- CCD_TGB (TGINV(0x16),TGMODE(0x17),TGW(0x17),EXPB(0x14,0x15),TGSHLD(0x1D))
- LAMP_SW (EXPR(0x10,0x11),XPA_SEL(0x03),LAMP_PWR(0x03),LAMPTIM(0x03),MTLLAMP(0x04),LAMPPWM(0x29))
- XPA_SW (EXPG(0x12,0x13),XPA_SEL(0x03),LAMP_PWR(0x03),LAMPTIM(0x03),MTLLAMP(0x04),LAMPPWM(0x29))
- LAMP_B (EXPB(0x14,0x15),LAMP_PWR(0x03))
-
-other registers:
- CISSET(0x01),CNSET(0x18),DCKSEL(0x18),SCANMOD(0x18),EXPDMY(0x19),LINECLP(0x1A),CKAREA(0x1C),TGTIME(0x1C),LINESEL(0x1E),DUMMY(0x34)
-
-Responsible for signals to AFE:
- VSMP (VSMP(0x58),VSMPW(0x58))
- BSMP (BSMP(0x59),BSMPW(0x59))
-
-other register settings depending on this:
- RHI(0x52),RLOW(0x53),GHI(0x54),GLOW(0x55),BHI(0x56),BLOW(0x57),
-
-*/
-static void
-sanei_gl841_setup_sensor (Genesys_Device * dev,
- Genesys_Register_Set * regs,
- SANE_Bool extended, SANE_Bool half_ccd)
-{
- Genesys_Register_Set *r;
- int i;
-
- DBG (DBG_proc, "gl841_setup_sensor\n");
-
- /* that one is tricky at least ....*/
- r = sanei_genesys_get_address (regs, 0x70);
- for (i = 0; i < 4; i++, r++)
- r->value = dev->sensor.regs_0x08_0x0b[i];
-
- r = sanei_genesys_get_address (regs, 0x16);
- for (i = 0x06; i < 0x0a; i++, r++)
- r->value = dev->sensor.regs_0x10_0x1d[i];
-
- r = sanei_genesys_get_address (regs, 0x1a);
- for (i = 0x0a; i < 0x0e; i++, r++)
- r->value = dev->sensor.regs_0x10_0x1d[i];
-
- r = sanei_genesys_get_address (regs, 0x52);
- for (i = 0; i < 9; i++, r++)
- r->value = dev->sensor.regs_0x52_0x5e[i];
-
- /* don't go any further if no extended setup */
- if (!extended)
- return;
-
- /* todo : add more CCD types if needed */
- /* we might want to expand the Sensor struct to have these
- 2 kind of settings */
- if (dev->model->ccd_type == CCD_5345)
- {
- if (half_ccd)
- {
- /* settings for CCD used at half is max resolution */
- r = sanei_genesys_get_address (regs, 0x70);
- r->value = 0x00;
- r = sanei_genesys_get_address (regs, 0x71);
- r->value = 0x05;
- r = sanei_genesys_get_address (regs, 0x72);
- r->value = 0x06;
- r = sanei_genesys_get_address (regs, 0x73);
- r->value = 0x08;
- r = sanei_genesys_get_address (regs, 0x18);
- r->value = 0x28;
- r = sanei_genesys_get_address (regs, 0x58);
- r->value = 0x80 | (r->value & 0x03); /* VSMP=16 */
- }
- else
- {
- /* swap latch times */
- r = sanei_genesys_get_address (regs, 0x18);
- r->value = 0x30;
- r = sanei_genesys_get_address (regs, 0x52);
- for (i = 0; i < 6; i++, r++)
- r->value = dev->sensor.regs_0x52_0x5e[(i + 3) % 6];
- r = sanei_genesys_get_address (regs, 0x58);
- r->value = 0x20 | (r->value & 0x03); /* VSMP=4 */
- }
- return;
- }
-
- if (dev->model->ccd_type == CCD_HP2300)
- {
- /* settings for CCD used at half is max resolution */
- if (half_ccd)
- {
- r = sanei_genesys_get_address (regs, 0x70);
- r->value = 0x16;
- r = sanei_genesys_get_address (regs, 0x71);
- r->value = 0x00;
- r = sanei_genesys_get_address (regs, 0x72);
- r->value = 0x01;
- r = sanei_genesys_get_address (regs, 0x73);
- r->value = 0x03;
- /* manual clock programming */
- r = sanei_genesys_get_address (regs, 0x1d);
- r->value |= 0x80;
- }
- else
- {
- r = sanei_genesys_get_address (regs, 0x70);
- r->value = 1;
- r = sanei_genesys_get_address (regs, 0x71);
- r->value = 3;
- r = sanei_genesys_get_address (regs, 0x72);
- r->value = 4;
- r = sanei_genesys_get_address (regs, 0x73);
- r->value = 6;
- }
- r = sanei_genesys_get_address (regs, 0x58);
- r->value = 0x80 | (r->value & 0x03); /* VSMP=16 */
- return;
- }
-}
-
-/** Test if the ASIC works
- */
-/*TODO: make this functional*/
-static SANE_Status
-sanei_gl841_asic_test (Genesys_Device * dev)
-{
- SANE_Status status;
- uint8_t val;
- uint8_t *data;
- uint8_t *verify_data;
- size_t size, verify_size;
- unsigned int i;
-
- DBG (DBG_proc, "sanei_gl841_asic_test\n");
-
- return SANE_STATUS_INVAL;
-
- /* set and read exposure time, compare if it's the same */
- status = sanei_genesys_write_register (dev, 0x38, 0xde);
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error, "sanei_gl841_asic_test: failed to write register: %s\n",
- sane_strstatus (status));
- return status;
- }
-
- status = sanei_genesys_write_register (dev, 0x39, 0xad);
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error, "sanei_gl841_asic_test: failed to write register: %s\n",
- sane_strstatus (status));
- return status;
- }
-
- status = sanei_genesys_read_register (dev, 0x38, &val);
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error, "sanei_gl841_asic_test: failed to read register: %s\n",
- sane_strstatus (status));
- return status;
- }
- if (val != 0xde) /* value of register 0x38 */
- {
- DBG (DBG_error,
- "sanei_gl841_asic_test: register contains invalid value\n");
- return SANE_STATUS_IO_ERROR;
- }
-
- status = sanei_genesys_read_register (dev, 0x39, &val);
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error, "sanei_gl841_asic_test: failed to read register: %s\n",
- sane_strstatus (status));
- return status;
- }
- if (val != 0xad) /* value of register 0x39 */
- {
- DBG (DBG_error,
- "sanei_gl841_asic_test: register contains invalid value\n");
- return SANE_STATUS_IO_ERROR;
- }
-
- /* ram test: */
- size = 0x40000;
- verify_size = size + 0x80;
- /* todo: looks like the read size must be a multiple of 128?
- otherwise the read doesn't succeed the second time after the scanner has
- been plugged in. Very strange. */
-
- data = (uint8_t *) malloc (size);
- if (!data)
- {
- DBG (DBG_error, "sanei_gl841_asic_test: could not allocate memory\n");
- return SANE_STATUS_NO_MEM;
- }
-
- verify_data = (uint8_t *) malloc (verify_size);
- if (!verify_data)
- {
- free (data);
- DBG (DBG_error, "sanei_gl841_asic_test: could not allocate memory\n");
- return SANE_STATUS_NO_MEM;
- }
-
- for (i = 0; i < (size - 1); i += 2)
- {
- data[i] = i / 512;
- data[i + 1] = (i / 2) % 256;
- }
-
- status = sanei_genesys_set_buffer_address (dev, 0x0000);
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error,
- "sanei_gl841_asic_test: failed to set buffer address: %s\n",
- sane_strstatus (status));
- free (data);
- free (verify_data);
- return status;
- }
-
-/* status = gl841_bulk_write_data (dev, 0x3c, data, size);
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error,
- "sanei_gl841_asic_test: failed to bulk write data: %s\n",
- sane_strstatus (status));
- free (data);
- free (verify_data);
- return status;
- }*/
-
- status = sanei_genesys_set_buffer_address (dev, 0x0000);
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error,
- "sanei_gl841_asic_test: failed to set buffer address: %s\n",
- sane_strstatus (status));
- free (data);
- free (verify_data);
- return status;
- }
-
- status =
- gl841_bulk_read_data (dev, 0x45, (uint8_t *) verify_data,
- verify_size);
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error, "sanei_gl841_asic_test: failed to bulk read data: %s\n",
- sane_strstatus (status));
- free (data);
- free (verify_data);
- return status;
- }
-
- /* todo: why i + 2 ? */
- for (i = 0; i < size; i++)
- {
- if (verify_data[i] != data[i])
- {
- DBG (DBG_error, "sanei_gl841_asic_test: data verification error\n");
- DBG (DBG_info, "0x%.8x: got %.2x %.2x %.2x %.2x, expected %.2x %.2x %.2x %.2x\n",
- i,
- verify_data[i],
- verify_data[i+1],
- verify_data[i+2],
- verify_data[i+3],
- data[i],
- data[i+1],
- data[i+2],
- data[i+3]);
- free (data);
- free (verify_data);
- return SANE_STATUS_IO_ERROR;
- }
- }
-
- free (data);
- free (verify_data);
-
- DBG (DBG_info, "sanei_gl841_asic_test: completed\n");
-
- return SANE_STATUS_GOOD;
-}
-
-/* returns the max register bulk size */
-static int
-gl841_bulk_full_size (void)
-{
- return GENESYS_GL841_MAX_REGS;
-}
-
-/*
- * Set all registers LiDE 80 to default values
- * (function called only once at the beginning)
- * we are doing a special case to ease development
- */
-static void
-gl841_init_lide80 (Genesys_Device * dev)
-{
- uint8_t val;
- int index=0;
-
- INITREG (0x01, 0x82); /* 0x02 = SHDAREA and no CISSET ! */
- INITREG (0x02, 0x10);
- INITREG (0x03, 0x50);
- INITREG (0x04, 0x02);
- INITREG (0x05, 0x4c); /* 1200 DPI */
- INITREG (0x06, 0x38); /* 0x38 scanmod=1, pwrbit, GAIN4 */
- INITREG (0x07, 0x00);
- INITREG (0x08, 0x00);
- INITREG (0x09, 0x11);
- INITREG (0x0a, 0x00);
-
- INITREG (0x10, 0x40);
- INITREG (0x11, 0x00);
- INITREG (0x12, 0x40);
- INITREG (0x13, 0x00);
- INITREG (0x14, 0x40);
- INITREG (0x15, 0x00);
- INITREG (0x16, 0x00);
- INITREG (0x17, 0x01);
- INITREG (0x18, 0x00);
- INITREG (0x19, 0x06);
- INITREG (0x1a, 0x00);
- INITREG (0x1b, 0x00);
- INITREG (0x1c, 0x00);
- INITREG (0x1d, 0x04);
- INITREG (0x1e, 0x10);
- INITREG (0x1f, 0x04);
- INITREG (0x20, 0x02);
- INITREG (0x21, 0x10);
- INITREG (0x22, 0x20);
- INITREG (0x23, 0x20);
- INITREG (0x24, 0x10);
- INITREG (0x25, 0x00);
- INITREG (0x26, 0x00);
- INITREG (0x27, 0x00);
-
- INITREG (0x29, 0xff);
-
- INITREG (0x2c, dev->sensor.optical_res>>8);
- INITREG (0x2d, dev->sensor.optical_res & 0xff);
- INITREG (0x2e, 0x80);
- INITREG (0x2f, 0x80);
- INITREG (0x30, 0x00);
- INITREG (0x31, 0x10);
- INITREG (0x32, 0x15);
- INITREG (0x33, 0x0e);
- INITREG (0x34, 0x40);
- INITREG (0x35, 0x00);
- INITREG (0x36, 0x2a);
- INITREG (0x37, 0x30);
- INITREG (0x38, 0x2a);
- INITREG (0x39, 0xf8);
-
- INITREG (0x3d, 0x00);
- INITREG (0x3e, 0x00);
- INITREG (0x3f, 0x00);
-
- INITREG (0x52, 0x03);
- INITREG (0x53, 0x07);
- INITREG (0x54, 0x00);
- INITREG (0x55, 0x00);
- INITREG (0x56, 0x00);
- INITREG (0x57, 0x00);
- INITREG (0x58, 0x29);
- INITREG (0x59, 0x69);
- INITREG (0x5a, 0x55);
-
- INITREG (0x5d, 0x20);
- INITREG (0x5e, 0x41);
- INITREG (0x5f, 0x40);
- INITREG (0x60, 0x00);
- INITREG (0x61, 0x00);
- INITREG (0x62, 0x00);
- INITREG (0x63, 0x00);
- INITREG (0x64, 0x00);
- INITREG (0x65, 0x00);
- INITREG (0x66, 0x00);
- INITREG (0x67, 0x40);
- INITREG (0x68, 0x40);
- INITREG (0x69, 0x20);
- INITREG (0x6a, 0x20);
- INITREG (0x6c, dev->gpo.value[0]);
- INITREG (0x6d, dev->gpo.value[1]);
- INITREG (0x6e, dev->gpo.enable[0]);
- INITREG (0x6f, dev->gpo.enable[1]);
- INITREG (0x70, 0x00);
- INITREG (0x71, 0x05);
- INITREG (0x72, 0x07);
- INITREG (0x73, 0x09);
- INITREG (0x74, 0x00);
- INITREG (0x75, 0x01);
- INITREG (0x76, 0xff);
- INITREG (0x77, 0x00);
- INITREG (0x78, 0x0f);
- INITREG (0x79, 0xf0);
- INITREG (0x7a, 0xf0);
- INITREG (0x7b, 0x00);
- INITREG (0x7c, 0x1e);
- INITREG (0x7d, 0x11);
- INITREG (0x7e, 0x00);
- INITREG (0x7f, 0x50);
- INITREG (0x80, 0x00);
- INITREG (0x81, 0x00);
- INITREG (0x82, 0x0f);
- INITREG (0x83, 0x00);
- INITREG (0x84, 0x0e);
- INITREG (0x85, 0x00);
- INITREG (0x86, 0x0d);
- INITREG (0x87, 0x02);
- INITREG (0x88, 0x00);
- INITREG (0x89, 0x00);
-
- /* specific scanner settings, clock and gpio first */
- sanei_genesys_read_register (dev, REG6B, &val);
- sanei_genesys_write_register (dev, REG6B, 0x0c);
- sanei_genesys_write_register (dev, 0x06, 0x10);
- sanei_genesys_write_register (dev, REG6E, 0x6d);
- sanei_genesys_write_register (dev, REG6F, 0x80);
- sanei_genesys_write_register (dev, REG6B, 0x0e);
- sanei_genesys_read_register (dev, REG6C, &val);
- sanei_genesys_write_register (dev, REG6C, 0x00);
- sanei_genesys_read_register (dev, REG6D, &val);
- sanei_genesys_write_register (dev, REG6D, 0x8f);
- sanei_genesys_read_register (dev, REG6B, &val);
- sanei_genesys_write_register (dev, REG6B, 0x0e);
- sanei_genesys_read_register (dev, REG6B, &val);
- sanei_genesys_write_register (dev, REG6B, 0x0e);
- sanei_genesys_read_register (dev, REG6B, &val);
- sanei_genesys_write_register (dev, REG6B, 0x0a);
- sanei_genesys_read_register (dev, REG6B, &val);
- sanei_genesys_write_register (dev, REG6B, 0x02);
- sanei_genesys_read_register (dev, REG6B, &val);
- sanei_genesys_write_register (dev, REG6B, 0x06);
-
- sanei_genesys_write_0x8c (dev, 0x10, 0x94);
- sanei_genesys_write_register (dev, 0x09, 0x10);
-
- /* set up GPIO : no address, so no bulk write, doesn't written directly either ? */
- /*
- dev->reg[reg_0x6c].value = dev->gpo.value[0];
- dev->reg[reg_0x6d].value = dev->gpo.value[1];
- dev->reg[reg_0x6e].value = dev->gpo.enable[0];
- dev->reg[reg_0x6f].value = dev->gpo.enable[1]; */
-
- dev->reg[reg_0x6b].value |= REG6B_GPO18;
- dev->reg[reg_0x6b].value &= ~REG6B_GPO17;
-
- sanei_gl841_setup_sensor (dev, dev->reg, 0, 0);
-}
-
-/*
- * Set all registers to default values
- * (function called only once at the beginning)
- */
-static void
-gl841_init_registers (Genesys_Device * dev)
-{
- int nr, addr;
-
- DBG (DBG_proc, "gl841_init_registers\n");
-
- nr = 0;
- memset (dev->reg, 0, GENESYS_MAX_REGS * sizeof (Genesys_Register_Set));
- if (strcmp (dev->model->name, "canon-lide-80") == 0)
- {
- gl841_init_lide80(dev);
- return ;
- }
-
- for (addr = 1; addr <= 0x0a; addr++)
- dev->reg[nr++].address = addr;
- for (addr = 0x10; addr <= 0x27; addr++)
- dev->reg[nr++].address = addr;
- dev->reg[nr++].address = 0x29;
- for (addr = 0x2c; addr <= 0x39; addr++)
- dev->reg[nr++].address = addr;
- for (addr = 0x3d; addr <= 0x3f; addr++)
- dev->reg[nr++].address = addr;
- for (addr = 0x52; addr <= 0x5a; addr++)
- dev->reg[nr++].address = addr;
- for (addr = 0x5d; addr <= 0x87; addr++)
- dev->reg[nr++].address = addr;
-
-
- dev->reg[reg_0x01].value = 0x20; /* (enable shading), CCD, color, 1M */
- if (dev->model->is_cis == SANE_TRUE)
- {
- dev->reg[reg_0x01].value |= REG01_CISSET;
- }
- else
- {
- dev->reg[reg_0x01].value &= ~REG01_CISSET;
- }
-
- dev->reg[reg_0x02].value = 0x30 /*0x38 */ ; /* auto home, one-table-move, full step */
- dev->reg[reg_0x02].value |= REG02_AGOHOME;
- dev->reg[reg_0x02].value |= REG02_MTRPWR;
- dev->reg[reg_0x02].value |= REG02_FASTFED;
-
- dev->reg[reg_0x03].value = 0x1f /*0x17 */ ; /* lamp on */
- dev->reg[reg_0x03].value |= REG03_AVEENB;
-
- if (dev->model->ccd_type == CCD_PLUSTEK_3600) /* AD front end */
- {
- dev->reg[reg_0x04].value = (2 << REG04S_AFEMOD) | 0x02;
- }
- else /* Wolfson front end */
- {
- dev->reg[reg_0x04].value |= 1 << REG04S_AFEMOD;
- }
-
- dev->reg[reg_0x05].value = 0x00; /* disable gamma, 24 clocks/pixel */
- if (dev->sensor.sensor_pixels < 0x1500)
- dev->reg[reg_0x05].value |= REG05_DPIHW_600;
- else if (dev->sensor.sensor_pixels < 0x2a80)
- dev->reg[reg_0x05].value |= REG05_DPIHW_1200;
- else if (dev->sensor.sensor_pixels < 0x5400)
- dev->reg[reg_0x05].value |= REG05_DPIHW_2400;
- else
- {
- dev->reg[reg_0x05].value |= REG05_DPIHW_2400;
- DBG (DBG_warn,
- "gl841_init_registers: Cannot handle sensor pixel count %d\n",
- dev->sensor.sensor_pixels);
- }
-
-
- dev->reg[reg_0x06].value |= REG06_PWRBIT;
- dev->reg[reg_0x06].value |= REG06_GAIN4;
-
- /* XP300 CCD needs different clock and clock/pixels values */
- if (dev->model->ccd_type != CCD_XP300 && dev->model->ccd_type != CCD_DP685
- && dev->model->ccd_type != CCD_PLUSTEK_3600)
- {
- dev->reg[reg_0x06].value |= 0 << REG06S_SCANMOD;
- dev->reg[reg_0x09].value |= 1 << REG09S_CLKSET;
- }
- else
- {
- dev->reg[reg_0x06].value |= 0x05 << REG06S_SCANMOD; /* 15 clocks/pixel */
- dev->reg[reg_0x09].value = 0; /* 24 MHz CLKSET */
- }
-
- dev->reg[reg_0x1e].value = 0xf0; /* watch-dog time */
-
- dev->reg[reg_0x17].value |= 1 << REG17S_TGW;
-
- dev->reg[reg_0x19].value = 0x50;
-
- dev->reg[reg_0x1d].value |= 1 << REG1DS_TGSHLD;
-
- dev->reg[reg_0x1e].value |= 1 << REG1ES_WDTIME;
-
-/*SCANFED*/
- dev->reg[reg_0x1f].value = 0x01;
-
-/*BUFSEL*/
- dev->reg[reg_0x20].value = 0x20;
-
-/*LAMPPWM*/
- dev->reg[reg_0x29].value = 0xff;
-
-/*BWHI*/
- dev->reg[reg_0x2e].value = 0x80;
-
-/*BWLOW*/
- dev->reg[reg_0x2f].value = 0x80;
-
-/*LPERIOD*/
- dev->reg[reg_0x38].value = 0x4f;
- dev->reg[reg_0x39].value = 0xc1;
-
-/*VSMPW*/
- dev->reg[reg_0x58].value |= 3 << REG58S_VSMPW;
-
-/*BSMPW*/
- dev->reg[reg_0x59].value |= 3 << REG59S_BSMPW;
-
-/*RLCSEL*/
- dev->reg[reg_0x5a].value |= REG5A_RLCSEL;
-
-/*STOPTIM*/
- dev->reg[reg_0x5e].value |= 0x2 << REG5ES_STOPTIM;
-
- sanei_gl841_setup_sensor (dev, dev->reg, 0, 0);
-
- /* set up GPIO */
- dev->reg[reg_0x6c].value = dev->gpo.value[0];
- dev->reg[reg_0x6d].value = dev->gpo.value[1];
- dev->reg[reg_0x6e].value = dev->gpo.enable[0];
- dev->reg[reg_0x6f].value = dev->gpo.enable[1];
-
- /* TODO there is a switch calling to be written here */
- if (dev->model->gpo_type == GPO_CANONLIDE35)
- {
- dev->reg[reg_0x6b].value |= REG6B_GPO18;
- dev->reg[reg_0x6b].value &= ~REG6B_GPO17;
- }
- if (dev->model->gpo_type == GPO_CANONLIDE80)
- {
- dev->reg[reg_0x6b].value |= REG6B_GPO18;
- dev->reg[reg_0x6b].value &= ~REG6B_GPO17;
- }
-
- if (dev->model->gpo_type == GPO_XP300)
- {
- dev->reg[reg_0x6b].value |= REG6B_GPO17;
- }
-
- if (dev->model->gpo_type == GPO_DP685)
- {
- /* REG6B_GPO18 lights on green led */
- dev->reg[reg_0x6b].value |= REG6B_GPO17|REG6B_GPO18;
- }
-
- DBG (DBG_proc, "gl841_init_registers complete\n");
-}
-
-/* Send slope table for motor movement
- slope_table in machine byte order
- */
-GENESYS_STATIC SANE_Status
-gl841_send_slope_table (Genesys_Device * dev, int table_nr,
- uint16_t * slope_table, int steps)
-{
- int dpihw;
- int start_address;
- SANE_Status status;
- uint8_t *table;
- char msg[4000];
-/*#ifdef WORDS_BIGENDIAN*/
- int i;
-/*#endif*/
-
- DBG (DBG_proc, "gl841_send_slope_table (table_nr = %d, steps = %d)\n",
- table_nr, steps);
-
- dpihw = dev->reg[reg_0x05].value >> 6;
-
- if (dpihw == 0) /* 600 dpi */
- start_address = 0x08000;
- else if (dpihw == 1) /* 1200 dpi */
- start_address = 0x10000;
- else if (dpihw == 2) /* 2400 dpi */
- start_address = 0x20000;
- else /* reserved */
- return SANE_STATUS_INVAL;
-
-/*#ifdef WORDS_BIGENDIAN*/
- table = (uint8_t*)malloc(steps * 2);
- for(i = 0; i < steps; i++) {
- table[i * 2] = slope_table[i] & 0xff;
- table[i * 2 + 1] = slope_table[i] >> 8;
- }
-/*#else
- table = (uint8_t*)slope_table;
- #endif*/
- if (DBG_LEVEL >= DBG_io)
- {
- sprintf (msg, "write slope %d (%d)=", table_nr, steps);
- for (i = 0; i < steps; i++)
- {
- sprintf (msg+strlen(msg), ",%d", slope_table[i]);
- }
- DBG (DBG_io, "%s: %s\n", __func__, msg);
- }
-
- status =
- sanei_genesys_set_buffer_address (dev, start_address + table_nr * 0x200);
- if (status != SANE_STATUS_GOOD)
- {
-/*#ifdef WORDS_BIGENDIAN*/
- free(table);
-/*#endif*/
- DBG (DBG_error,
- "gl841_send_slope_table: failed to set buffer address: %s\n",
- sane_strstatus (status));
- return status;
- }
-
- status =
- gl841_bulk_write_data (dev, 0x3c, (uint8_t *) table,
- steps * 2);
- if (status != SANE_STATUS_GOOD)
- {
-/*#ifdef WORDS_BIGENDIAN*/
- free(table);
-/*#endif*/
- DBG (DBG_error,
- "gl841_send_slope_table: failed to send slope table: %s\n",
- sane_strstatus (status));
- return status;
- }
-
-/*#ifdef WORDS_BIGENDIAN*/
- free(table);
-/*#endif*/
- DBG (DBG_proc, "gl841_send_slope_table: completed\n");
- return status;
-}
-
-static SANE_Status
-gl841_set_lide80_fe (Genesys_Device * dev, uint8_t set)
-{
- SANE_Status status = SANE_STATUS_GOOD;
-
- DBGSTART;
-
- if (set == AFE_INIT)
- {
- DBG (DBG_proc, "%s(): setting DAC %u\n", __func__,
- dev->model->dac_type);
-
- /* sets to default values */
- sanei_genesys_init_fe (dev);
-
- /* write them to analog frontend */
- status = sanei_genesys_fe_write_data (dev, 0x00, dev->frontend.reg[0]);
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error, "%s: writing reg 0x00 failed: %s\n", __func__,
- sane_strstatus (status));
- return status;
- }
- status = sanei_genesys_fe_write_data (dev, 0x03, dev->frontend.reg[1]);
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error, "%s: writing reg 0x03 failed: %s\n", __func__,
- sane_strstatus (status));
- return status;
- }
- status = sanei_genesys_fe_write_data (dev, 0x06, dev->frontend.reg[2]);
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error, "%s: writing reg 0x06 failed: %s\n", __func__,
- sane_strstatus (status));
- return status;
- }
- }
-
- if (set == AFE_SET)
- {
- status = sanei_genesys_fe_write_data (dev, 0x00, dev->frontend.reg[0]);
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error, "%s: writing reg 0x00 failed: %s\n", __func__,
- sane_strstatus (status));
- return status;
- }
- status = sanei_genesys_fe_write_data (dev, 0x06, dev->frontend.offset[0]);
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error, "%s: writing offset failed: %s\n", __func__,
- sane_strstatus (status));
- return status;
- }
- status = sanei_genesys_fe_write_data (dev, 0x03, dev->frontend.gain[0]);
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error, "%s: writing gain failed: %s\n", __func__,
- sane_strstatus (status));
- return status;
- }
- }
-
- return status;
- DBGCOMPLETED;
-}
-
-/* Set values of Analog Device type frontend */
-static SANE_Status
-gl841_set_ad_fe (Genesys_Device * dev, uint8_t set)
-{
- SANE_Status status = SANE_STATUS_GOOD;
- int i;
-
- /* special case for LiDE 80 analog frontend */
- if(dev->model->dac_type==DAC_CANONLIDE80)
- {
- return gl841_set_lide80_fe(dev, set);
- }
-
- DBG (DBG_proc, "gl841_set_ad_fe(): start\n");
- if (set == AFE_INIT)
- {
- DBG (DBG_proc, "gl841_set_ad_fe(): setting DAC %u\n",
- dev->model->dac_type);
-
- /* sets to default values */
- sanei_genesys_init_fe (dev);
-
- /* write them to analog frontend */
- status = sanei_genesys_fe_write_data (dev, 0x00, dev->frontend.reg[0]);
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error, "gl841_set_ad_fe: writing reg 0x00 failed: %s\n",
- sane_strstatus (status));
- return status;
- }
-
- status = sanei_genesys_fe_write_data (dev, 0x01, dev->frontend.reg[1]);
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error, "gl841_set_ad_fe: writing reg 0x01 failed: %s\n",
- sane_strstatus (status));
- return status;
- }
-
- for (i = 0; i < 6; i++)
- {
- status =
- sanei_genesys_fe_write_data (dev, 0x02 + i, 0x00);
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error,
- "gl841_set_ad_fe: writing sign[%d] failed: %s\n", 0x02 + i,
- sane_strstatus (status));
- return status;
- }
- }
- }
- if (set == AFE_SET)
- {
- /* write them to analog frontend */
- status = sanei_genesys_fe_write_data (dev, 0x00, dev->frontend.reg[0]);
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error, "gl841_set_ad_fe: writing reg 0x00 failed: %s\n",
- sane_strstatus (status));
- return status;
- }
-
- status = sanei_genesys_fe_write_data (dev, 0x01, dev->frontend.reg[1]);
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error, "gl841_set_ad_fe: writing reg 0x01 failed: %s\n",
- sane_strstatus (status));
- return status;
- }
-
- /* Write fe 0x02 (red gain)*/
- status = sanei_genesys_fe_write_data (dev, 0x02, dev->frontend.gain[0]);
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error, "gl841_set_ad_fe: writing fe 0x02 (gain r) fail: %s\n",
- sane_strstatus (status));
- return status;
- }
-
- /* Write fe 0x03 (green gain)*/
- status = sanei_genesys_fe_write_data (dev, 0x03, dev->frontend.gain[1]);
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error, "gl841_set_ad_fe: writing fe 0x03 (gain g) fail: %s\n",
- sane_strstatus (status));
- return status;
- }
-
- /* Write fe 0x04 (blue gain)*/
- status = sanei_genesys_fe_write_data (dev, 0x04, dev->frontend.gain[2]);
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error, "gl841_set_ad_fe: writing fe 0x04 (gain b) fail: %s\n",
- sane_strstatus (status));
- return status;
- }
-
- /* Write fe 0x05 (red offset)*/
- status =
- sanei_genesys_fe_write_data (dev, 0x05, dev->frontend.offset[0]);
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error, "gl841_set_ad_fe: write fe 0x05 (offset r) fail: %s\n",
- sane_strstatus (status));
- return status;
- }
-
- /* Write fe 0x06 (green offset)*/
- status =
- sanei_genesys_fe_write_data (dev, 0x06, dev->frontend.offset[1]);
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error, "gl841_set_ad_fe: write fe 0x06 (offset g) fail: %s\n",
- sane_strstatus (status));
- return status;
- }
-
- /* Write fe 0x07 (blue offset)*/
- status =
- sanei_genesys_fe_write_data (dev, 0x07, dev->frontend.offset[2]);
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error, "gl841_set_ad_fe: write fe 0x07 (offset b) fail: %s\n",
- sane_strstatus (status));
- return status;
- }
- }
- DBG (DBG_proc, "gl841_set_ad_fe(): end\n");
-
- return status;
-}
-
-/* Set values of analog frontend */
-static SANE_Status
-gl841_set_fe (Genesys_Device * dev, uint8_t set)
-{
- SANE_Status status;
- int i;
-
- DBG (DBG_proc, "gl841_set_fe (%s)\n",
- set == AFE_INIT ? "init" : set == AFE_SET ? "set" : set ==
- AFE_POWER_SAVE ? "powersave" : "huh?");
-
- /* Analog Device type frontend */
- if ((dev->reg[reg_0x04].value & REG04_FESET) == 0x02)
- {
- return gl841_set_ad_fe (dev, set);
- }
-
- if ((dev->reg[reg_0x04].value & REG04_FESET) != 0x00)
- {
- DBG (DBG_proc, "gl841_set_fe(): unsupported frontend type %d\n",
- dev->reg[reg_0x04].value & REG04_FESET);
- return SANE_STATUS_UNSUPPORTED;
- }
-
- if (set == AFE_INIT)
- {
- DBG (DBG_proc, "gl841_set_fe(): setting DAC %u\n",
- dev->model->dac_type);
- sanei_genesys_init_fe (dev);
-
- /* reset only done on init */
- status = sanei_genesys_fe_write_data (dev, 0x04, 0x80);
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error, "gl841_set_fe: reset fe failed: %s\n",
- sane_strstatus (status));
- return status;
- /*
- if (dev->model->ccd_type == CCD_HP2300
- || dev->model->ccd_type == CCD_HP2400)
- {
- val = 0x07;
- status =
- sanei_usb_control_msg (dev->dn, REQUEST_TYPE_OUT,
- REQUEST_REGISTER, GPIO_OUTPUT_ENABLE,
- INDEX, 1, &val);
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error,
- "gl841_set_fe failed resetting frontend: %s\n",
- sane_strstatus (status));
- return status;
- }
- }*/
- }
- DBG (DBG_proc, "gl841_set_fe(): frontend reset complete\n");
- }
-
-
- if (set == AFE_POWER_SAVE)
- {
- status = sanei_genesys_fe_write_data (dev, 0x01, 0x02);
- if (status != SANE_STATUS_GOOD)
- DBG (DBG_error, "gl841_set_fe: writing data failed: %s\n",
- sane_strstatus (status));
- return status;
- }
-
- /* todo : base this test on cfg reg3 or a CCD family flag to be created */
- /*if (dev->model->ccd_type!=CCD_HP2300 && dev->model->ccd_type!=CCD_HP2400) */
- {
-
- status = sanei_genesys_fe_write_data (dev, 0x00, dev->frontend.reg[0]);
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error, "gl841_set_fe: writing reg0 failed: %s\n",
- sane_strstatus (status));
- return status;
- }
- status = sanei_genesys_fe_write_data (dev, 0x02, dev->frontend.reg[2]);
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error, "gl841_set_fe: writing reg2 failed: %s\n",
- sane_strstatus (status));
- return status;
- }
- }
-
- status = sanei_genesys_fe_write_data (dev, 0x01, dev->frontend.reg[1]);
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error, "gl841_set_fe: writing reg1 failed: %s\n",
- sane_strstatus (status));
- return status;
- }
-
- status = sanei_genesys_fe_write_data (dev, 0x03, dev->frontend.reg[3]);
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error, "gl841_set_fe: writing reg3 failed: %s\n",
- sane_strstatus (status));
- return status;
- }
-
- status = sanei_genesys_fe_write_data (dev, 0x06, dev->frontend.reg2[0]);
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error, "gl841_set_fe: writing reg6 failed: %s\n",
- sane_strstatus (status));
- return status;
- }
-
- status = sanei_genesys_fe_write_data (dev, 0x08, dev->frontend.reg2[1]);
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error, "gl841_set_fe: writing reg8 failed: %s\n",
- sane_strstatus (status));
- return status;
- }
-
- status = sanei_genesys_fe_write_data (dev, 0x09, dev->frontend.reg2[2]);
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error, "gl841_set_fe: writing reg9 failed: %s\n",
- sane_strstatus (status));
- return status;
- }
-
- for (i = 0; i < 3; i++)
- {
- status =
- sanei_genesys_fe_write_data (dev, 0x24 + i, dev->frontend.sign[i]);
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error,
- "gl841_set_fe: writing sign[%d] failed: %s\n", i,
- sane_strstatus (status));
- return status;
- }
-
- status =
- sanei_genesys_fe_write_data (dev, 0x28 + i, dev->frontend.gain[i]);
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error,
- "gl841_set_fe: writing gain[%d] failed: %s\n", i,
- sane_strstatus (status));
- return status;
- }
-
- status =
- sanei_genesys_fe_write_data (dev, 0x20 + i,
- dev->frontend.offset[i]);
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error,
- "gl841_set_fe: writing offset[%d] failed: %s\n", i,
- sane_strstatus (status));
- return status;
- }
- }
-
-
- DBG (DBG_proc, "gl841_set_fe: completed\n");
-
- return SANE_STATUS_GOOD;
-}
-
-#define MOTOR_ACTION_FEED 1
-#define MOTOR_ACTION_GO_HOME 2
-#define MOTOR_ACTION_HOME_FREE 3
-
-/** @brief turn off motor
- *
- */
-static SANE_Status
-gl841_init_motor_regs_off(Genesys_Register_Set * reg,
- unsigned int scan_lines)
-{
- unsigned int feedl;
- Genesys_Register_Set * r;
-
- DBG (DBG_proc, "gl841_init_motor_regs_off : scan_lines=%d\n",
- scan_lines);
-
- feedl = 2;
-
- r = sanei_genesys_get_address (reg, 0x3d);
- r->value = (feedl >> 16) & 0xf;
- r = sanei_genesys_get_address (reg, 0x3e);
- r->value = (feedl >> 8) & 0xff;
- r = sanei_genesys_get_address (reg, 0x3f);
- r->value = feedl & 0xff;
- r = sanei_genesys_get_address (reg, 0x5e);
- r->value &= ~0xe0;
-
- r = sanei_genesys_get_address (reg, 0x25);
- r->value = (scan_lines >> 16) & 0xf;
- r = sanei_genesys_get_address (reg, 0x26);
- r->value = (scan_lines >> 8) & 0xff;
- r = sanei_genesys_get_address (reg, 0x27);
- r->value = scan_lines & 0xff;
-
- r = sanei_genesys_get_address (reg, 0x02);
- r->value &= ~0x01; /*LONGCURV OFF*/
- r->value &= ~0x80; /*NOT_HOME OFF*/
-
- r->value &= ~0x10;
-
- r->value &= ~0x06;
-
- r->value &= ~0x08;
-
- r->value &= ~0x20;
-
- r->value &= ~0x40;
-
- r = sanei_genesys_get_address (reg, 0x67);
- r->value = 0x3f;
-
- r = sanei_genesys_get_address (reg, 0x68);
- r->value = 0x3f;
-
- r = sanei_genesys_get_address (reg, REG_STEPNO);
- r->value = 0;
-
- r = sanei_genesys_get_address (reg, REG_FASTNO);
- r->value = 0;
-
- r = sanei_genesys_get_address (reg, 0x69);
- r->value = 0;
-
- r = sanei_genesys_get_address (reg, 0x6a);
- r->value = 0;
-
- r = sanei_genesys_get_address (reg, 0x5f);
- r->value = 0;
-
-
- DBGCOMPLETED;
- return SANE_STATUS_GOOD;
-}
-
-/** @brief write motor table frequency
- * Write motor frequency data table.
- * @param dev device to set up motor
- * @param ydpi motor target resolution
- * @return SANE_STATUS_GOOD on success
- */
-GENESYS_STATIC SANE_Status gl841_write_freq(Genesys_Device *dev, unsigned int ydpi)
-{
-SANE_Status status;
-/**< fast table */
-uint8_t tdefault[] = {0x18,0x36,0x18,0x36,0x18,0x36,0x18,0x36,0x18,0x36,0x18,0x36,0x18,0x36,0x18,0x36,0x18,0x36,0x18,0x36,0x18,0x36,0x18,0x36,0x18,0x36,0x18,0x36,0x18,0x36,0x18,0x36,0x18,0xb6,0x18,0xb6,0x18,0xb6,0x18,0xb6,0x18,0xb6,0x18,0xb6,0x18,0xb6,0x18,0xb6,0x18,0xb6,0x18,0xb6,0x18,0xb6,0x18,0xb6,0x18,0xb6,0x18,0xb6,0x18,0xb6,0x18,0xb6,0x18,0xf6,0x18,0xf6,0x18,0xf6,0x18,0xf6,0x18,0xf6,0x18,0xf6,0x18,0xf6,0x18,0xf6,0x18,0xf6,0x18,0xf6,0x18,0xf6,0x18,0xf6,0x18,0xf6,0x18,0xf6,0x18,0xf6,0x18,0xf6,0x18,0x76,0x18,0x76,0x18,0x76,0x18,0x76,0x18,0x76,0x18,0x76,0x18,0x76,0x18,0x76,0x18,0x76,0x18,0x76,0x18,0x76,0x18,0x76,0x18,0x76,0x18,0x76,0x18,0x76,0x18,0x76};
-uint8_t t1200[] = {0xc7,0x31,0xc7,0x31,0xc7,0x31,0xc7,0x31,0xc7,0x31,0xc7,0x31,0xc7,0x31,0xc7,0x31,0xc0,0x11,0xc0,0x11,0xc0,0x11,0xc0,0x11,0xc0,0x11,0xc0,0x11,0xc0,0x11,0xc0,0x11,0xc7,0xb1,0xc7,0xb1,0xc7,0xb1,0xc7,0xb1,0xc7,0xb1,0xc7,0xb1,0xc7,0xb1,0xc7,0xb1,0x07,0xe0,0x07,0xe0,0x07,0xe0,0x07,0xe0,0x07,0xe0,0x07,0xe0,0x07,0xe0,0x07,0xe0,0xc7,0xf1,0xc7,0xf1,0xc7,0xf1,0xc7,0xf1,0xc7,0xf1,0xc7,0xf1,0xc7,0xf1,0xc7,0xf1,0xc0,0x51,0xc0,0x51,0xc0,0x51,0xc0,0x51,0xc0,0x51,0xc0,0x51,0xc0,0x51,0xc0,0x51,0xc7,0x71,0xc7,0x71,0xc7,0x71,0xc7,0x71,0xc7,0x71,0xc7,0x71,0xc7,0x71,0xc7,0x71,0x07,0x20,0x07,0x20,0x07,0x20,0x07,0x20,0x07,0x20,0x07,0x20,0x07,0x20,0x07,0x20};
-uint8_t t300[] = {0x08,0x32,0x08,0x32,0x08,0x32,0x08,0x32,0x08,0x32,0x08,0x32,0x08,0x32,0x08,0x32,0x00,0x13,0x00,0x13,0x00,0x13,0x00,0x13,0x00,0x13,0x00,0x13,0x00,0x13,0x00,0x13,0x08,0xb2,0x08,0xb2,0x08,0xb2,0x08,0xb2,0x08,0xb2,0x08,0xb2,0x08,0xb2,0x08,0xb2,0x0c,0xa0,0x0c,0xa0,0x0c,0xa0,0x0c,0xa0,0x0c,0xa0,0x0c,0xa0,0x0c,0xa0,0x0c,0xa0,0x08,0xf2,0x08,0xf2,0x08,0xf2,0x08,0xf2,0x08,0xf2,0x08,0xf2,0x08,0xf2,0x08,0xf2,0x00,0xd3,0x00,0xd3,0x00,0xd3,0x00,0xd3,0x00,0xd3,0x00,0xd3,0x00,0xd3,0x00,0xd3,0x08,0x72,0x08,0x72,0x08,0x72,0x08,0x72,0x08,0x72,0x08,0x72,0x08,0x72,0x08,0x72,0x0c,0x60,0x0c,0x60,0x0c,0x60,0x0c,0x60,0x0c,0x60,0x0c,0x60,0x0c,0x60,0x0c,0x60};
-uint8_t t150[] = {0x0c,0x33,0xcf,0x33,0xcf,0x33,0xcf,0x33,0xcf,0x33,0xcf,0x33,0xcf,0x33,0xcf,0x33,0x40,0x14,0x80,0x15,0x80,0x15,0x80,0x15,0x80,0x15,0x80,0x15,0x80,0x15,0x80,0x15,0x0c,0xb3,0xcf,0xb3,0xcf,0xb3,0xcf,0xb3,0xcf,0xb3,0xcf,0xb3,0xcf,0xb3,0xcf,0xb3,0x11,0xa0,0x16,0xa0,0x16,0xa0,0x16,0xa0,0x16,0xa0,0x16,0xa0,0x16,0xa0,0x16,0xa0,0x0c,0xf3,0xcf,0xf3,0xcf,0xf3,0xcf,0xf3,0xcf,0xf3,0xcf,0xf3,0xcf,0xf3,0xcf,0xf3,0x40,0xd4,0x80,0xd5,0x80,0xd5,0x80,0xd5,0x80,0xd5,0x80,0xd5,0x80,0xd5,0x80,0xd5,0x0c,0x73,0xcf,0x73,0xcf,0x73,0xcf,0x73,0xcf,0x73,0xcf,0x73,0xcf,0x73,0xcf,0x73,0x11,0x60,0x16,0x60,0x16,0x60,0x16,0x60,0x16,0x60,0x16,0x60,0x16,0x60,0x16,0x60};
-
-uint8_t *table;
-
- DBGSTART;
- if(dev->model->motor_type == MOTOR_CANONLIDE80)
- {
- switch(ydpi)
- {
- case 3600:
- case 1200:
- table=t1200;
- break;
- case 900:
- case 300:
- table=t300;
- break;
- case 450:
- case 150:
- table=t150;
- break;
- default:
- table=tdefault;
- }
- RIE(sanei_genesys_write_register(dev, 0x66, 0x00));
- RIE(sanei_genesys_write_register(dev, 0x5b, 0x0c));
- RIE(sanei_genesys_write_register(dev, 0x5c, 0x00));
- RIE(gl841_bulk_write_data_gamma (dev, 0x28, table, 128));
- RIE(sanei_genesys_write_register(dev, 0x5b, 0x00));
- RIE(sanei_genesys_write_register(dev, 0x5c, 0x00));
- }
- DBGCOMPLETED;
- return SANE_STATUS_GOOD;
-}
-
-
-#ifndef UNIT_TESTING
-static
-#endif
-SANE_Status
-gl841_init_motor_regs(Genesys_Device * dev,
- Genesys_Register_Set * reg,
- unsigned int feed_steps,/*1/base_ydpi*/
-/*maybe float for half/quarter step resolution?*/
- unsigned int action,
- unsigned int flags)
-{
- SANE_Status status;
- unsigned int fast_exposure;
- int scan_power_mode;
- int use_fast_fed = 0;
- uint16_t fast_slope_table[256];
- unsigned int fast_slope_steps = 0;
- unsigned int feedl;
- Genesys_Register_Set * r;
-/*number of scan lines to add in a scan_lines line*/
-
- DBG (DBG_proc, "gl841_init_motor_regs : feed_steps=%d, action=%d, flags=%x\n",
- feed_steps,
- action,
- flags);
-
- memset(fast_slope_table,0xff,512);
-
- gl841_send_slope_table (dev, 0, fast_slope_table, 256);
- gl841_send_slope_table (dev, 1, fast_slope_table, 256);
- gl841_send_slope_table (dev, 2, fast_slope_table, 256);
- gl841_send_slope_table (dev, 3, fast_slope_table, 256);
- gl841_send_slope_table (dev, 4, fast_slope_table, 256);
-
- gl841_write_freq(dev, dev->motor.base_ydpi / 4);
-
- fast_slope_steps = 256;
- if (action == MOTOR_ACTION_FEED || action == MOTOR_ACTION_GO_HOME)
- {
- /* FEED and GO_HOME can use fastest slopes available */
- fast_exposure = gl841_exposure_time(dev,
- dev->motor.base_ydpi / 4,
- 0,
- 0,
- 0,
- &scan_power_mode);
- DBG (DBG_info, "%s : fast_exposure=%d pixels\n", __func__, fast_exposure);
- }
-
- if (action == MOTOR_ACTION_HOME_FREE) {
-/* HOME_FREE must be able to stop in one step, so do not try to get faster */
- fast_exposure = dev->motor.slopes[0][0].maximum_start_speed;
- }
-
- sanei_genesys_create_slope_table3 (
- dev,
- fast_slope_table,
- 256,
- fast_slope_steps,
- 0,
- fast_exposure,
- dev->motor.base_ydpi / 4,
- &fast_slope_steps,
- &fast_exposure, 0);
-
- feedl = feed_steps - fast_slope_steps*2;
- use_fast_fed = 1;
-
-/* all needed slopes available. we did even decide which mode to use.
- what next?
- - transfer slopes
-SCAN:
-flags \ use_fast_fed ! 0 1
-------------------------\--------------------
- 0 ! 0,1,2 0,1,2,3
-MOTOR_FLAG_AUTO_GO_HOME ! 0,1,2,4 0,1,2,3,4
-OFF: none
-FEED: 3
-GO_HOME: 3
-HOME_FREE: 3
- - setup registers
- * slope specific registers (already done)
- * DECSEL for HOME_FREE/GO_HOME/SCAN
- * FEEDL
- * MTRREV
- * MTRPWR
- * FASTFED
- * STEPSEL
- * MTRPWM
- * FSTPSEL
- * FASTPWM
- * HOMENEG
- * BWDSTEP
- * FWDSTEP
- * Z1
- * Z2
- */
-
- r = sanei_genesys_get_address (reg, 0x3d);
- r->value = (feedl >> 16) & 0xf;
- r = sanei_genesys_get_address (reg, 0x3e);
- r->value = (feedl >> 8) & 0xff;
- r = sanei_genesys_get_address (reg, 0x3f);
- r->value = feedl & 0xff;
- r = sanei_genesys_get_address (reg, 0x5e);
- r->value &= ~0xe0;
-
- r = sanei_genesys_get_address (reg, 0x25);
- r->value = 0;
- r = sanei_genesys_get_address (reg, 0x26);
- r->value = 0;
- r = sanei_genesys_get_address (reg, 0x27);
- r->value = 0;
-
- r = sanei_genesys_get_address (reg, 0x02);
- r->value &= ~0x01; /*LONGCURV OFF*/
- r->value &= ~0x80; /*NOT_HOME OFF*/
-
- r->value |= 0x10;
-
- if (action == MOTOR_ACTION_GO_HOME)
- r->value |= 0x06;
- else
- r->value &= ~0x06;
-
- if (use_fast_fed)
- r->value |= 0x08;
- else
- r->value &= ~0x08;
-
- if (flags & MOTOR_FLAG_AUTO_GO_HOME)
- r->value |= 0x20;
- else
- r->value &= ~0x20;
-
- r->value &= ~0x40;
-
- status = gl841_send_slope_table (dev, 3, fast_slope_table, 256);
-
- if (status != SANE_STATUS_GOOD)
- return status;
-
- r = sanei_genesys_get_address (reg, 0x67);
- r->value = 0x3f;
-
- r = sanei_genesys_get_address (reg, 0x68);
- r->value = 0x3f;
-
- r = sanei_genesys_get_address (reg, REG_STEPNO);
- r->value = 0;
-
- r = sanei_genesys_get_address (reg, REG_FASTNO);
- r->value = 0;
-
- r = sanei_genesys_get_address (reg, 0x69);
- r->value = 0;
-
- r = sanei_genesys_get_address (reg, 0x6a);
- r->value = (fast_slope_steps >> 1) + (fast_slope_steps & 1);
-
- r = sanei_genesys_get_address (reg, 0x5f);
- r->value = (fast_slope_steps >> 1) + (fast_slope_steps & 1);
-
-
- DBGCOMPLETED;
- return SANE_STATUS_GOOD;
-}
-
-#ifndef UNIT_TESTING
-static
-#endif
-SANE_Status
-gl841_init_motor_regs_scan(Genesys_Device * dev,
- Genesys_Register_Set * reg,
- unsigned int scan_exposure_time,/*pixel*/
- float scan_yres,/*dpi, motor resolution*/
- int scan_step_type,/*0: full, 1: half, 2: quarter*/
- unsigned int scan_lines,/*lines, scan resolution*/
- unsigned int scan_dummy,
-/*number of scan lines to add in a scan_lines line*/
- unsigned int feed_steps,/*1/base_ydpi*/
-/*maybe float for half/quarter step resolution?*/
- int scan_power_mode,
- unsigned int flags)
-{
- SANE_Status status;
- unsigned int fast_exposure;
- int use_fast_fed = 0;
- int dummy_power_mode;
- unsigned int fast_time;
- unsigned int slow_time;
- uint16_t slow_slope_table[256];
- uint16_t fast_slope_table[256];
- uint16_t back_slope_table[256];
- unsigned int slow_slope_time;
- unsigned int fast_slope_time;
- unsigned int slow_slope_steps = 0;
- unsigned int fast_slope_steps = 0;
- unsigned int back_slope_steps = 0;
- unsigned int feedl;
- Genesys_Register_Set * r;
- unsigned int min_restep = 0x20;
- uint32_t z1, z2;
-
- DBG (DBG_proc, "gl841_init_motor_regs_scan : scan_exposure_time=%d, "
- "scan_yres=%g, scan_step_type=%d, scan_lines=%d, scan_dummy=%d, "
- "feed_steps=%d, scan_power_mode=%d, flags=%x\n",
- scan_exposure_time,
- scan_yres,
- scan_step_type,
- scan_lines,
- scan_dummy,
- feed_steps,
- scan_power_mode,
- flags);
-
- fast_exposure = gl841_exposure_time(dev,
- dev->motor.base_ydpi / 4,
- 0,
- 0,
- 0,
- &dummy_power_mode);
-
- DBG (DBG_info, "%s : fast_exposure=%d pixels\n", __func__, fast_exposure);
-
- memset(slow_slope_table,0xff,512);
-
- gl841_send_slope_table (dev, 0, slow_slope_table, 256);
- gl841_send_slope_table (dev, 1, slow_slope_table, 256);
- gl841_send_slope_table (dev, 2, slow_slope_table, 256);
- gl841_send_slope_table (dev, 3, slow_slope_table, 256);
- gl841_send_slope_table (dev, 4, slow_slope_table, 256);
-
- /* motor frequency table */
- gl841_write_freq(dev, scan_yres);
-
-/*
- we calculate both tables for SCAN. the fast slope step count depends on
- how many steps we need for slow acceleration and how much steps we are
- allowed to use.
- */
- slow_slope_time = sanei_genesys_create_slope_table3 (
- dev,
- slow_slope_table, 256,
- 256,
- scan_step_type,
- scan_exposure_time,
- scan_yres,
- &slow_slope_steps,
- NULL,
- scan_power_mode);
-
- sanei_genesys_create_slope_table3 (
- dev,
- back_slope_table, 256,
- 256,
- scan_step_type,
- 0,
- scan_yres,
- &back_slope_steps,
- NULL,
- scan_power_mode);
-
- if (feed_steps < (slow_slope_steps >> scan_step_type)) {
- /*TODO: what should we do here?? go back to exposure calculation?*/
- feed_steps = slow_slope_steps >> scan_step_type;
- }
-
- if (feed_steps > fast_slope_steps*2 -
- (slow_slope_steps >> scan_step_type))
- fast_slope_steps = 256;
- else
-/* we need to shorten fast_slope_steps here. */
- fast_slope_steps = (feed_steps -
- (slow_slope_steps >> scan_step_type))/2;
-
- DBG(DBG_info,"gl841_init_motor_regs_scan: Maximum allowed slope steps for fast slope: %d\n",fast_slope_steps);
-
- fast_slope_time = sanei_genesys_create_slope_table3 (
- dev,
- fast_slope_table, 256,
- fast_slope_steps,
- 0,
- fast_exposure,
- dev->motor.base_ydpi / 4,
- &fast_slope_steps,
- &fast_exposure,
- scan_power_mode);
-
- /* fast fed special cases handling */
- if (dev->model->gpo_type == GPO_XP300
- || dev->model->gpo_type == GPO_DP685)
- {
- /* quirk: looks like at least this scanner is unable to use
- 2-feed mode */
- use_fast_fed = 0;
- }
- else if (feed_steps < fast_slope_steps*2 + (slow_slope_steps >> scan_step_type)) {
- use_fast_fed = 0;
- DBG(DBG_info,"gl841_init_motor_regs_scan: feed too short, slow move forced.\n");
- } else {
-/* for deciding whether we should use fast mode we need to check how long we
- need for (fast)accelerating, moving, decelerating, (TODO: stopping?)
- (slow)accelerating again versus (slow)accelerating and moving. we need
- fast and slow tables here.
-*/
-/*NOTE: scan_exposure_time is per scan_yres*/
-/*NOTE: fast_exposure is per base_ydpi/4*/
-/*we use full steps as base unit here*/
- fast_time =
- fast_exposure / 4 *
- (feed_steps - fast_slope_steps*2 -
- (slow_slope_steps >> scan_step_type))
- + fast_slope_time*2 + slow_slope_time;
- slow_time =
- (scan_exposure_time * scan_yres) / dev->motor.base_ydpi *
- (feed_steps - (slow_slope_steps >> scan_step_type))
- + slow_slope_time;
-
- DBG(DBG_info,"gl841_init_motor_regs_scan: Time for slow move: %d\n",
- slow_time);
- DBG(DBG_info,"gl841_init_motor_regs_scan: Time for fast move: %d\n",
- fast_time);
-
- use_fast_fed = fast_time < slow_time;
- }
-
- if (use_fast_fed)
- feedl = feed_steps - fast_slope_steps*2 -
- (slow_slope_steps >> scan_step_type);
- else
- if ((feed_steps << scan_step_type) < slow_slope_steps)
- feedl = 0;
- else
- feedl = (feed_steps << scan_step_type) - slow_slope_steps;
- DBG(DBG_info,"gl841_init_motor_regs_scan: Decided to use %s mode\n",
- use_fast_fed?"fast feed":"slow feed");
-
-/* all needed slopes available. we did even decide which mode to use.
- what next?
- - transfer slopes
-SCAN:
-flags \ use_fast_fed ! 0 1
-------------------------\--------------------
- 0 ! 0,1,2 0,1,2,3
-MOTOR_FLAG_AUTO_GO_HOME ! 0,1,2,4 0,1,2,3,4
-OFF: none
-FEED: 3
-GO_HOME: 3
-HOME_FREE: 3
- - setup registers
- * slope specific registers (already done)
- * DECSEL for HOME_FREE/GO_HOME/SCAN
- * FEEDL
- * MTRREV
- * MTRPWR
- * FASTFED
- * STEPSEL
- * MTRPWM
- * FSTPSEL
- * FASTPWM
- * HOMENEG
- * BWDSTEP
- * FWDSTEP
- * Z1
- * Z2
- */
-
- r = sanei_genesys_get_address (reg, 0x3d);
- r->value = (feedl >> 16) & 0xf;
- r = sanei_genesys_get_address (reg, 0x3e);
- r->value = (feedl >> 8) & 0xff;
- r = sanei_genesys_get_address (reg, 0x3f);
- r->value = feedl & 0xff;
- r = sanei_genesys_get_address (reg, 0x5e);
- r->value &= ~0xe0;
-
- r = sanei_genesys_get_address (reg, 0x25);
- r->value = (scan_lines >> 16) & 0xf;
- r = sanei_genesys_get_address (reg, 0x26);
- r->value = (scan_lines >> 8) & 0xff;
- r = sanei_genesys_get_address (reg, 0x27);
- r->value = scan_lines & 0xff;
-
- r = sanei_genesys_get_address (reg, 0x02);
- r->value &= ~0x01; /*LONGCURV OFF*/
- r->value &= ~0x80; /*NOT_HOME OFF*/
- r->value |= 0x10;
-
- r->value &= ~0x06;
-
- if (use_fast_fed)
- r->value |= 0x08;
- else
- r->value &= ~0x08;
-
- if (flags & MOTOR_FLAG_AUTO_GO_HOME)
- r->value |= 0x20;
- else
- r->value &= ~0x20;
-
- if (flags & MOTOR_FLAG_DISABLE_BUFFER_FULL_MOVE)
- r->value |= 0x40;
- else
- r->value &= ~0x40;
-
- status = gl841_send_slope_table (dev, 0, slow_slope_table, 256);
-
- if (status != SANE_STATUS_GOOD)
- return status;
-
- status = gl841_send_slope_table (dev, 1, back_slope_table, 256);
-
- if (status != SANE_STATUS_GOOD)
- return status;
-
- status = gl841_send_slope_table (dev, 2, slow_slope_table, 256);
-
- if (status != SANE_STATUS_GOOD)
- return status;
-
- if (use_fast_fed) {
- status = gl841_send_slope_table (dev, 3, fast_slope_table, 256);
-
- if (status != SANE_STATUS_GOOD)
- return status;
- }
-
- if (flags & MOTOR_FLAG_AUTO_GO_HOME){
- status = gl841_send_slope_table (dev, 4, fast_slope_table, 256);
-
- if (status != SANE_STATUS_GOOD)
- return status;
- }
-
-
-/* now reg 0x21 and 0x24 are available, we can calculate reg 0x22 and 0x23,
- reg 0x60-0x62 and reg 0x63-0x65
- rule:
- 2*STEPNO+FWDSTEP=2*FASTNO+BWDSTEP
-*/
-/* steps of table 0*/
- if (min_restep < slow_slope_steps*2+2)
- min_restep = slow_slope_steps*2+2;
-/* steps of table 1*/
- if (min_restep < back_slope_steps*2+2)
- min_restep = back_slope_steps*2+2;
-/* steps of table 0*/
- r = sanei_genesys_get_address (reg, REG_FWDSTEP);
- r->value = min_restep - slow_slope_steps*2;
-/* steps of table 1*/
- r = sanei_genesys_get_address (reg, REG_BWDSTEP);
- r->value = min_restep - back_slope_steps*2;
-
-/*
- for z1/z2:
- in dokumentation mentioned variables a-d:
- a = time needed for acceleration, table 1
- b = time needed for reg 0x1f... wouldn't that be reg0x1f*exposure_time?
- c = time needed for acceleration, table 1
- d = time needed for reg 0x22... wouldn't that be reg0x22*exposure_time?
- z1 = (c+d-1) % exposure_time
- z2 = (a+b-1) % exposure_time
-*/
-/* i don't see any effect of this. i can only guess that this will enhance
- sub-pixel accuracy
- z1 = (slope_0_time-1) % exposure_time;
- z2 = (slope_0_time-1) % exposure_time;
-*/
- z1 = z2 = 0;
-
- DBG (DBG_info, "gl841_init_motor_regs_scan: z1 = %d\n", z1);
- DBG (DBG_info, "gl841_init_motor_regs_scan: z2 = %d\n", z2);
- r = sanei_genesys_get_address (reg, 0x60);
- r->value = ((z1 >> 16) & 0xff);
- r = sanei_genesys_get_address (reg, 0x61);
- r->value = ((z1 >> 8) & 0xff);
- r = sanei_genesys_get_address (reg, 0x62);
- r->value = (z1 & 0xff);
- r = sanei_genesys_get_address (reg, 0x63);
- r->value = ((z2 >> 16) & 0xff);
- r = sanei_genesys_get_address (reg, 0x64);
- r->value = ((z2 >> 8) & 0xff);
- r = sanei_genesys_get_address (reg, 0x65);
- r->value = (z2 & 0xff);
-
- r = sanei_genesys_get_address (reg, REG1E);
- r->value &= REG1E_WDTIME;
- r->value |= scan_dummy;
-
- r = sanei_genesys_get_address (reg, 0x67);
- r->value = 0x3f | (scan_step_type << 6);
-
- r = sanei_genesys_get_address (reg, 0x68);
- r->value = 0x3f;
-
- r = sanei_genesys_get_address (reg, REG_STEPNO);
- r->value = (slow_slope_steps >> 1) + (slow_slope_steps & 1);
-
- r = sanei_genesys_get_address (reg, REG_FASTNO);
- r->value = (back_slope_steps >> 1) + (back_slope_steps & 1);
-
- r = sanei_genesys_get_address (reg, 0x69);
- r->value = (slow_slope_steps >> 1) + (slow_slope_steps & 1);
-
- r = sanei_genesys_get_address (reg, 0x6a);
- r->value = (fast_slope_steps >> 1) + (fast_slope_steps & 1);
-
- r = sanei_genesys_get_address (reg, 0x5f);
- r->value = (fast_slope_steps >> 1) + (fast_slope_steps & 1);
-
-
- DBGCOMPLETED;
- return SANE_STATUS_GOOD;
-}
-
-static int
-gl841_get_dpihw(Genesys_Device * dev)
-{
- Genesys_Register_Set * r;
- r = sanei_genesys_get_address (dev->reg, 0x05);
- if ((r->value & REG05_DPIHW) == REG05_DPIHW_600)
- return 600;
- if ((r->value & REG05_DPIHW) == REG05_DPIHW_1200)
- return 1200;
- if ((r->value & REG05_DPIHW) == REG05_DPIHW_2400)
- return 2400;
- return 0;
-}
-
-static SANE_Status
-gl841_init_optical_regs_off(Genesys_Register_Set * reg)
-{
- Genesys_Register_Set * r;
-
- DBGSTART;
-
- r = sanei_genesys_get_address (reg, 0x01);
- r->value &= ~REG01_SCAN;
-
- DBGCOMPLETED;
- return SANE_STATUS_GOOD;
-}
-
-static SANE_Status
-gl841_init_optical_regs_scan(Genesys_Device * dev,
- Genesys_Register_Set * reg,
- unsigned int exposure_time,
- unsigned int used_res,
- unsigned int start,
- unsigned int pixels,
- int channels,
- int depth,
- SANE_Bool half_ccd,
- int color_filter,
- int flags
- )
-{
- unsigned int words_per_line;
- unsigned int end;
- unsigned int dpiset;
- unsigned int i;
- Genesys_Register_Set * r;
- SANE_Status status;
- uint16_t expavg, expr, expb, expg;
-
- DBG (DBG_proc, "gl841_init_optical_regs_scan : exposure_time=%d, "
- "used_res=%d, start=%d, pixels=%d, channels=%d, depth=%d, "
- "half_ccd=%d, flags=%x\n",
- exposure_time,
- used_res,
- start,
- pixels,
- channels,
- depth,
- half_ccd,
- flags);
-
- end = start + pixels;
-
- status = gl841_set_fe (dev, AFE_SET);
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error,
- "gl841_init_optical_regs_scan: failed to set frontend: %s\n",
- sane_strstatus (status));
- return status;
- }
-
- /* adjust used_res for chosen dpihw */
- used_res = used_res * gl841_get_dpihw(dev) / dev->sensor.optical_res;
-
-/*
- with half_ccd the optical resolution of the ccd is halved. We don't apply this
- to dpihw, so we need to double dpiset.
-
- For the scanner only the ratio of dpiset and dpihw is of relevance to scale
- down properly.
-*/
- if (half_ccd)
- dpiset = used_res * 2;
- else
- dpiset = used_res;
-
- /* gpio part.*/
- if (dev->model->gpo_type == GPO_CANONLIDE35)
- {
- r = sanei_genesys_get_address (reg, REG6C);
- if (half_ccd)
- r->value &= ~0x80;
- else
- r->value |= 0x80;
- }
- if (dev->model->gpo_type == GPO_CANONLIDE80)
- {
- r = sanei_genesys_get_address (reg, REG6C);
- if (half_ccd)
- {
- r->value &= ~0x40;
- r->value |= 0x20;
- }
- else
- {
- r->value &= ~0x20;
- r->value |= 0x40;
- }
- }
-
- /* enable shading */
- r = sanei_genesys_get_address (reg, 0x01);
- r->value |= REG01_SCAN;
- if ((flags & OPTICAL_FLAG_DISABLE_SHADING) ||
- (dev->model->flags & GENESYS_FLAG_NO_CALIBRATION))
- r->value &= ~REG01_DVDSET;
- else
- r->value |= REG01_DVDSET;
-
- /* average looks better than deletion, and we are already set up to
- use one of the average enabled resolutions
- */
- r = sanei_genesys_get_address (reg, 0x03);
- r->value |= REG03_AVEENB;
- if (flags & OPTICAL_FLAG_DISABLE_LAMP)
- r->value &= ~REG03_LAMPPWR;
- else
- r->value |= REG03_LAMPPWR;
-
- /* exposure times */
- r = sanei_genesys_get_address (reg, 0x10);
- for (i = 0; i < 6; i++, r++) {
- if (flags & OPTICAL_FLAG_DISABLE_LAMP)
- r->value = 0x01;/* 0x0101 is as off as possible */
- else
- { /* EXP[R,G,B] only matter for CIS scanners */
- if (dev->sensor.regs_0x10_0x1d[i] == 0x00)
- r->value = 0x01; /*0x00 will not be accepted*/
- else
- r->value = dev->sensor.regs_0x10_0x1d[i];
- }
- }
-
- r = sanei_genesys_get_address (reg, 0x19);
- if (flags & OPTICAL_FLAG_DISABLE_LAMP)
- r->value = 0xff;
- else
- r->value = 0x50;
-
- /* BW threshold */
- r = sanei_genesys_get_address (reg, 0x2e);
- r->value = dev->settings.threshold;
- r = sanei_genesys_get_address (reg, 0x2f);
- r->value = dev->settings.threshold;
-
-
- /* monochrome / color scan */
- r = sanei_genesys_get_address (reg, 0x04);
- switch (depth) {
- case 1:
- r->value &= ~REG04_BITSET;
- r->value |= REG04_LINEART;
- break;
- case 8:
- r->value &= ~(REG04_LINEART | REG04_BITSET);
- break;
- case 16:
- r->value &= ~REG04_LINEART;
- r->value |= REG04_BITSET;
- break;
- }
-
- /* AFEMOD should depend on FESET, and we should set these
- * bits separately */
- r->value &= ~(REG04_FILTER | REG04_AFEMOD);
- if (flags & OPTICAL_FLAG_ENABLE_LEDADD)
- {
- r->value |= 0x10; /* no filter */
- }
- else if (channels == 1)
- {
- switch (color_filter)
- {
- case 0:
- r->value |= 0x14; /* red filter */
- break;
- case 1:
- r->value |= 0x18; /* green filter */
- break;
- case 2:
- r->value |= 0x1c; /* blue filter */
- break;
- default:
- r->value |= 0x10; /* no filter */
- break;
- }
- }
- else
- {
- if (dev->model->ccd_type == CCD_PLUSTEK_3600)
- {
- r->value |= 0x22; /* slow color pixel by pixel */
- }
- else
- {
- r->value |= 0x10; /* color pixel by pixel */
- }
- }
-
- /* CIS scanners can do true gray by setting LEDADD */
- r = sanei_genesys_get_address (reg, 0x87);
- r->value &= ~REG87_LEDADD;
- if (flags & OPTICAL_FLAG_ENABLE_LEDADD)
- {
- r->value |= REG87_LEDADD;
- sanei_genesys_get_double (reg, REG_EXPR, &expr);
- sanei_genesys_get_double (reg, REG_EXPG, &expg);
- sanei_genesys_get_double (reg, REG_EXPB, &expb);
-
- /* use minimal exposure for best image quality */
- expavg = expg;
- if (expr < expg)
- expavg = expr;
- if (expb < expavg)
- expavg = expb;
-
- sanei_genesys_set_double (dev->reg, REG_EXPR, expavg);
- sanei_genesys_set_double (dev->reg, REG_EXPG, expavg);
- sanei_genesys_set_double (dev->reg, REG_EXPB, expavg);
- }
-
- /* enable gamma tables */
- r = sanei_genesys_get_address (reg, 0x05);
- if (flags & OPTICAL_FLAG_DISABLE_GAMMA)
- r->value &= ~REG05_GMMENB;
- else
- r->value |= REG05_GMMENB;
-
- /* sensor parameters */
- sanei_gl841_setup_sensor (dev, dev->reg, 1, half_ccd);
-
- r = sanei_genesys_get_address (reg, 0x29);
- r->value = 255; /*<<<"magic" number, only suitable for cis*/
-
- sanei_genesys_set_double(reg, REG_DPISET, dpiset);
- sanei_genesys_set_double(reg, REG_STRPIXEL, start);
- sanei_genesys_set_double(reg, REG_ENDPIXEL, end);
- DBG( DBG_io2, "%s: STRPIXEL=%d, ENDPIXEL=%d\n",__func__,start,end);
-
- /* words(16bit) before gamma, conversion to 8 bit or lineart*/
- words_per_line = (pixels * dpiset) / gl841_get_dpihw(dev);
-
- words_per_line *= channels;
-
- if (depth == 1)
- words_per_line = (words_per_line >> 3) + ((words_per_line & 7)?1:0);
- else
- words_per_line *= depth / 8;
-
- dev->wpl = words_per_line;
- dev->bpl = words_per_line;
-
- r = sanei_genesys_get_address (reg, 0x35);
- r->value = LOBYTE (HIWORD (words_per_line));
- r = sanei_genesys_get_address (reg, 0x36);
- r->value = HIBYTE (LOWORD (words_per_line));
- r = sanei_genesys_get_address (reg, 0x37);
- r->value = LOBYTE (LOWORD (words_per_line));
-
- sanei_genesys_set_double(reg, REG_LPERIOD, exposure_time);
-
- r = sanei_genesys_get_address (reg, 0x34);
- r->value = dev->sensor.dummy_pixel;
-
- DBGCOMPLETED;
- return SANE_STATUS_GOOD;
-}
-
-static int
-gl841_get_led_exposure(Genesys_Device * dev)
-{
- int d,r,g,b,m;
- if (!dev->model->is_cis)
- return 0;
- d = dev->reg[reg_0x19].value;
- r = dev->sensor.regs_0x10_0x1d[1] | (dev->sensor.regs_0x10_0x1d[0] << 8);
- g = dev->sensor.regs_0x10_0x1d[3] | (dev->sensor.regs_0x10_0x1d[2] << 8);
- b = dev->sensor.regs_0x10_0x1d[5] | (dev->sensor.regs_0x10_0x1d[4] << 8);
-
- m = r;
- if (m < g)
- m = g;
- if (m < b)
- m = b;
-
- return m + d;
-}
-
-/** @brief compute exposure time
- * Compute exposure time for the device and the given scan resolution,
- * also compute scan_power_mode
- */
-GENESYS_STATIC int
-gl841_exposure_time(Genesys_Device *dev,
- float slope_dpi,
- int scan_step_type,
- int start,
- int used_pixels,
- int *scan_power_mode)
-{
-int exposure_time = 0;
-int exposure_time2 = 0;
-int led_exposure;
-
- *scan_power_mode=0;
- led_exposure=gl841_get_led_exposure(dev);
- exposure_time = sanei_genesys_exposure_time2(
- dev,
- slope_dpi,
- scan_step_type,
- start+used_pixels,/*+tgtime? currently done in sanei_genesys_exposure_time2 with tgtime = 32 pixel*/
- led_exposure,
- *scan_power_mode);
-
- while(*scan_power_mode + 1 < dev->motor.power_mode_count) {
- exposure_time2 = sanei_genesys_exposure_time2(
- dev,
- slope_dpi,
- scan_step_type,
- start+used_pixels,/*+tgtime? currently done in sanei_genesys_exposure_time2 with tgtime = 32 pixel*/
- led_exposure,
- *scan_power_mode + 1);
- if (exposure_time < exposure_time2)
- break;
- exposure_time = exposure_time2;
- (*scan_power_mode)++;
- }
-
- return exposure_time;
-}
-
-/**@brief compute scan_step_type
- * Try to do at least 4 steps per line. if that is impossible we will have to
- * live with that.
- * @param dev device
- * @param yres motor resolution
- */
-GENESYS_STATIC int
-gl841_scan_step_type(Genesys_Device *dev, int yres)
-{
-int scan_step_type=0;
-
- /* TODO : check if there is a bug around the use of max_step_type */
- /* should be <=1, need to chek all devices entry in genesys_devices */
- if (yres*4 < dev->motor.base_ydpi || dev->motor.max_step_type <= 0)
- {
- scan_step_type = 0;
- }
- else if (yres*4 < dev->motor.base_ydpi*2 || dev->motor.max_step_type <= 1)
- {
- scan_step_type = 1;
- }
- else
- {
- scan_step_type = 2;
- }
-
- /* this motor behaves differently */
- if (dev->model->motor_type==MOTOR_CANONLIDE80)
- {
- /* driven by 'frequency' tables ? */
- scan_step_type = 0;
- }
-
- return scan_step_type;
-}
-
-/* set up registers for an actual scan
- *
- * this function sets up the scanner to scan in normal or single line mode
- */
-GENESYS_STATIC
-SANE_Status
-gl841_init_scan_regs (Genesys_Device * dev,
- Genesys_Register_Set * reg,
- float xres,/*dpi*/
- float yres,/*dpi*/
- float startx,/*optical_res, from dummy_pixel+1*/
- float starty,/*base_ydpi, from home!*/
- float pixels,
- float lines,
- unsigned int depth,
- unsigned int channels,
- int color_filter,
- unsigned int flags
- )
-{
- int used_res;
- int start, used_pixels;
- int bytes_per_line;
- int move;
- unsigned int lincnt;
- int exposure_time;
- int scan_power_mode;
- int i;
- int stagger;
- int avg;
-
- int slope_dpi = 0;
- int dummy = 0;
- int scan_step_type = 1;
- int max_shift;
- size_t requested_buffer_size, read_buffer_size;
-
- SANE_Bool half_ccd; /* false: full CCD res is used, true, half max CCD res is used */
- int optical_res;
- SANE_Status status;
- unsigned int oflags; /**> optical flags */
-
- DBG (DBG_info,
- "gl841_init_scan_regs settings:\n"
- "Resolution : %gDPI/%gDPI\n"
- "Lines : %g\n"
- "PPL : %g\n"
- "Startpos : %g/%g\n"
- "Depth/Channels: %u/%u\n"
- "Flags : %x\n\n",
- xres, yres, lines, pixels,
- startx, starty,
- depth, channels,
- flags);
-
-/*
-results:
-
-for scanner:
-half_ccd
-start
-end
-dpiset
-exposure_time
-dummy
-z1
-z2
-
-for ordered_read:
- dev->words_per_line
- dev->read_factor
- dev->requested_buffer_size
- dev->read_buffer_size
- dev->read_pos
- dev->read_bytes_in_buffer
- dev->read_bytes_left
- dev->max_shift
- dev->stagger
-
-independent of our calculated values:
- dev->total_bytes_read
- dev->bytes_to_read
- */
-
-/* half_ccd */
- /* we have 2 domains for ccd: xres below or above half ccd max dpi */
- if (dev->sensor.optical_res < 2 * xres ||
- !(dev->model->flags & GENESYS_FLAG_HALF_CCD_MODE)) {
- half_ccd = SANE_FALSE;
- } else {
- half_ccd = SANE_TRUE;
- }
-
-/* optical_res */
-
- optical_res = dev->sensor.optical_res;
- if (half_ccd)
- optical_res /= 2;
-
-/* stagger */
-
- if ((!half_ccd) && (dev->model->flags & GENESYS_FLAG_STAGGERED_LINE))
- stagger = (4 * yres) / dev->motor.base_ydpi;
- else
- stagger = 0;
- DBG (DBG_info, "gl841_init_scan_regs : stagger=%d lines\n",
- stagger);
-
-/* used_res */
- i = optical_res / xres;
-
-/* gl841 supports 1/1 1/2 1/3 1/4 1/5 1/6 1/8 1/10 1/12 1/15 averaging */
-
- if (i < 2 || (flags & SCAN_FLAG_USE_OPTICAL_RES)) /* optical_res >= xres > optical_res/2 */
- used_res = optical_res;
- else if (i < 3) /* optical_res/2 >= xres > optical_res/3 */
- used_res = optical_res/2;
- else if (i < 4) /* optical_res/3 >= xres > optical_res/4 */
- used_res = optical_res/3;
- else if (i < 5) /* optical_res/4 >= xres > optical_res/5 */
- used_res = optical_res/4;
- else if (i < 6) /* optical_res/5 >= xres > optical_res/6 */
- used_res = optical_res/5;
- else if (i < 8) /* optical_res/6 >= xres > optical_res/8 */
- used_res = optical_res/6;
- else if (i < 10) /* optical_res/8 >= xres > optical_res/10 */
- used_res = optical_res/8;
- else if (i < 12) /* optical_res/10 >= xres > optical_res/12 */
- used_res = optical_res/10;
- else if (i < 15) /* optical_res/12 >= xres > optical_res/15 */
- used_res = optical_res/12;
- else
- used_res = optical_res/15;
-
- /* compute scan parameters values */
- /* pixels are allways given at half or full CCD optical resolution */
- /* use detected left margin and fixed value */
- /* start */
- /* add x coordinates */
- start = ((dev->sensor.CCD_start_xoffset + startx) * used_res) / dev->sensor.optical_res;
-
- /* needs to be aligned for used_res */
- start = (start * optical_res) / used_res;
-
- start += dev->sensor.dummy_pixel + 1;
-
- if (stagger > 0)
- start |= 1;
-
- /* in case of SHDAREA, we need to align start
- * on pixel average factor, startx is different of
- * 0 only when calling for function to setup for
- * scan, where shading data needs to be align */
- if((dev->reg[reg_0x01].value & REG01_SHDAREA) != 0)
- {
- avg=optical_res/used_res;
- start=(start/avg)*avg;
- }
-
- /* compute correct pixels number */
- /* pixels */
- used_pixels = (pixels * optical_res) / xres;
-
- /* round up pixels number if needed */
- if (used_pixels * xres < pixels * optical_res)
- used_pixels++;
-
-/* dummy */
- /* dummy lines: may not be usefull, for instance 250 dpi works with 0 or 1
- dummy line. Maybe the dummy line adds correctness since the motor runs
- slower (higher dpi)
- */
-/* for cis this creates better aligned color lines:
-dummy \ scanned lines
- 0: R G B R ...
- 1: R G B - R ...
- 2: R G B - - R ...
- 3: R G B - - - R ...
- 4: R G B - - - - R ...
- 5: R G B - - - - - R ...
- 6: R G B - - - - - - R ...
- 7: R G B - - - - - - - R ...
- 8: R G B - - - - - - - - R ...
- 9: R G B - - - - - - - - - R ...
- 10: R G B - - - - - - - - - - R ...
- 11: R G B - - - - - - - - - - - R ...
- 12: R G B - - - - - - - - - - - - R ...
- 13: R G B - - - - - - - - - - - - - R ...
- 14: R G B - - - - - - - - - - - - - - R ...
- 15: R G B - - - - - - - - - - - - - - - R ...
- -- pierre
- */
- dummy = 0;
-
-/* slope_dpi */
-/* cis color scan is effectively a gray scan with 3 gray lines per color
- line and a FILTER of 0 */
- if (dev->model->is_cis)
- slope_dpi = yres*channels;
- else
- slope_dpi = yres;
-
- slope_dpi = slope_dpi * (1 + dummy);
-
- scan_step_type = gl841_scan_step_type(dev, yres);
- exposure_time = gl841_exposure_time(dev,
- slope_dpi,
- scan_step_type,
- start,
- used_pixels,
- &scan_power_mode);
- DBG (DBG_info, "%s : exposure_time=%d pixels\n", __func__, exposure_time);
-
- /*** optical parameters ***/
- /* in case of dynamic lineart, we use an internal 8 bit gray scan
- * to generate 1 lineart data */
- if(flags & SCAN_FLAG_DYNAMIC_LINEART)
- {
- depth=8;
- }
-
- oflags=0;
- if (flags & SCAN_FLAG_DISABLE_SHADING)
- {
- oflags |= OPTICAL_FLAG_DISABLE_SHADING;
- }
- if ((flags & SCAN_FLAG_DISABLE_GAMMA) || (depth==16))
- {
- oflags |= OPTICAL_FLAG_DISABLE_GAMMA;
- }
- if (flags & SCAN_FLAG_DISABLE_LAMP)
- {
- oflags |= OPTICAL_FLAG_DISABLE_LAMP;
- }
- if (flags & SCAN_FLAG_ENABLE_LEDADD)
- {
- oflags |= OPTICAL_FLAG_ENABLE_LEDADD;
- }
-
- status = gl841_init_optical_regs_scan(dev,
- reg,
- exposure_time,
- used_res,
- start,
- used_pixels,
- channels,
- depth,
- half_ccd,
- color_filter,
- oflags);
- if (status != SANE_STATUS_GOOD)
- {
- return status;
- }
-
-/*** motor parameters ***/
-
- /* scanned area must be enlarged by max color shift needed */
- max_shift=sanei_genesys_compute_max_shift(dev,channels,yres,flags);
-
- /* lincnt */
- lincnt = lines + max_shift + stagger;
-
- /* add tl_y to base movement */
- move = starty;
- DBG (DBG_info, "gl841_init_scan_regs: move=%d steps\n", move);
-
- /* subtract current head position */
- move -= dev->scanhead_position_in_steps;
- DBG (DBG_info, "gl841_init_scan_regs: move=%d steps\n", move);
-
- if (move < 0)
- move = 0;
-
- /* round it */
-/* the move is not affected by dummy -- pierre */
-/* move = ((move + dummy) / (dummy + 1)) * (dummy + 1);
- DBG (DBG_info, "gl841_init_scan_regs: move=%d steps\n", move);*/
-
- if (flags & SCAN_FLAG_SINGLE_LINE)
- status = gl841_init_motor_regs_off(reg, dev->model->is_cis?lincnt*channels:lincnt);
- else
- status = gl841_init_motor_regs_scan(dev,
- reg,
- exposure_time,
- slope_dpi,
- scan_step_type,
- dev->model->is_cis?lincnt*channels:lincnt,
- dummy,
- move,
- scan_power_mode,
- (flags & SCAN_FLAG_DISABLE_BUFFER_FULL_MOVE)?
- MOTOR_FLAG_DISABLE_BUFFER_FULL_MOVE:0
- );
-
- if (status != SANE_STATUS_GOOD)
- return status;
-
-
- /*** prepares data reordering ***/
-
-/* words_per_line */
- bytes_per_line = (used_pixels * used_res) / optical_res;
- bytes_per_line = (bytes_per_line * channels * depth) / 8;
-
- requested_buffer_size = 8 * bytes_per_line;
- /* we must use a round number of bytes_per_line */
- if (requested_buffer_size > BULKIN_MAXSIZE)
- requested_buffer_size =
- (BULKIN_MAXSIZE / bytes_per_line) * bytes_per_line;
-
- read_buffer_size =
- 2 * requested_buffer_size +
- ((max_shift + stagger) * used_pixels * channels * depth) / 8;
-
- RIE(sanei_genesys_buffer_free(&(dev->read_buffer)));
- RIE(sanei_genesys_buffer_alloc(&(dev->read_buffer), read_buffer_size));
-
- RIE(sanei_genesys_buffer_free(&(dev->lines_buffer)));
- RIE(sanei_genesys_buffer_alloc(&(dev->lines_buffer), read_buffer_size));
-
- RIE(sanei_genesys_buffer_free(&(dev->shrink_buffer)));
- RIE(sanei_genesys_buffer_alloc(&(dev->shrink_buffer),
- requested_buffer_size));
-
- RIE(sanei_genesys_buffer_free(&(dev->out_buffer)));
- RIE(sanei_genesys_buffer_alloc(&(dev->out_buffer),
- (8 * dev->settings.pixels * channels * depth) / 8));
-
-
- dev->read_bytes_left = bytes_per_line * lincnt;
-
- DBG (DBG_info,
- "gl841_init_scan_regs: physical bytes to read = %lu\n",
- (u_long) dev->read_bytes_left);
- dev->read_active = SANE_TRUE;
-
-
- dev->current_setup.pixels = (used_pixels * used_res)/optical_res;
- dev->current_setup.lines = lincnt;
- dev->current_setup.depth = depth;
- dev->current_setup.channels = channels;
- dev->current_setup.exposure_time = exposure_time;
- dev->current_setup.xres = used_res;
- dev->current_setup.yres = yres;
- dev->current_setup.half_ccd = half_ccd;
- dev->current_setup.stagger = stagger;
- dev->current_setup.max_shift = max_shift + stagger;
-
-/* TODO: should this be done elsewhere? */
- /* scan bytes to send to the frontend */
- /* theory :
- target_size =
- (dev->settings.pixels * dev->settings.lines * channels * depth) / 8;
- but it suffers from integer overflow so we do the following:
-
- 1 bit color images store color data byte-wise, eg byte 0 contains
- 8 bits of red data, byte 1 contains 8 bits of green, byte 2 contains
- 8 bits of blue.
- This does not fix the overflow, though.
- 644mp*16 = 10gp, leading to an overflow
- -- pierre
- */
-
- dev->total_bytes_read = 0;
- if (depth == 1)
- dev->total_bytes_to_read =
- ((dev->settings.pixels * dev->settings.lines) / 8 +
- (((dev->settings.pixels * dev->settings.lines)%8)?1:0)
- ) * channels;
- else
- dev->total_bytes_to_read =
- dev->settings.pixels * dev->settings.lines * channels * (depth / 8);
-
- DBG (DBG_info, "gl841_init_scan_regs: total bytes to send = %lu\n",
- (u_long) dev->total_bytes_to_read);
-/* END TODO */
-
- DBG (DBG_proc, "gl841_init_scan_regs: completed\n");
- return SANE_STATUS_GOOD;
-}
-
-static SANE_Status
-gl841_calculate_current_setup (Genesys_Device * dev)
-{
- int channels;
- int depth;
- int start;
-
- float xres;/*dpi*/
- float yres;/*dpi*/
- float startx;/*optical_res, from dummy_pixel+1*/
- float pixels;
- float lines;
-
- int used_res;
- int used_pixels;
- unsigned int lincnt;
- int exposure_time;
- int scan_power_mode;
- int i;
- int stagger;
-
- int slope_dpi = 0;
- int dummy = 0;
- int scan_step_type = 1;
- int max_shift;
-
- SANE_Bool half_ccd; /* false: full CCD res is used, true, half max CCD res is used */
- int optical_res;
-
- DBG (DBG_info,
- "gl841_calculate_current_setup settings:\n"
- "Resolution: %uDPI\n"
- "Lines : %u\n"
- "PPL : %u\n"
- "Startpos : %.3f/%.3f\n"
- "Scan mode : %d\n\n",
- dev->settings.yres, dev->settings.lines, dev->settings.pixels,
- dev->settings.tl_x, dev->settings.tl_y, dev->settings.scan_mode);
-
-/* channels */
- if (dev->settings.scan_mode == 4) /* single pass color */
- channels = 3;
- else
- channels = 1;
-
-/* depth */
- depth = dev->settings.depth;
- if (dev->settings.scan_mode == 0)
- depth = 1;
-
-/* start */
- start = SANE_UNFIX (dev->model->x_offset);
-
- start += dev->settings.tl_x;
-
- start = (start * dev->sensor.optical_res) / MM_PER_INCH;
-
-
- xres = dev->settings.xres;/*dpi*/
- yres = dev->settings.yres;/*dpi*/
- startx = start;/*optical_res, from dummy_pixel+1*/
- pixels = dev->settings.pixels;
- lines = dev->settings.lines;
-
- DBG (DBG_info,
- "gl841_calculate_current_setup settings:\n"
- "Resolution : %gDPI/%gDPI\n"
- "Lines : %g\n"
- "PPL : %g\n"
- "Startpos : %g\n"
- "Depth/Channels: %u/%u\n\n",
- xres, yres, lines, pixels,
- startx,
- depth, channels);
-
-/* half_ccd */
- /* we have 2 domains for ccd: xres below or above half ccd max dpi */
- if ((dev->sensor.optical_res < 2 * xres) ||
- !(dev->model->flags & GENESYS_FLAG_HALF_CCD_MODE)) {
- half_ccd = SANE_FALSE;
- } else {
- half_ccd = SANE_TRUE;
- }
-
-/* optical_res */
-
- optical_res = dev->sensor.optical_res;
- if (half_ccd)
- optical_res /= 2;
-
-/* stagger */
-
- if ((!half_ccd) && (dev->model->flags & GENESYS_FLAG_STAGGERED_LINE))
- stagger = (4 * yres) / dev->motor.base_ydpi;
- else
- stagger = 0;
- DBG (DBG_info, "gl841_calculate_current_setup: stagger=%d lines\n",
- stagger);
-
-/* used_res */
- i = optical_res / xres;
-
-/* gl841 supports 1/1 1/2 1/3 1/4 1/5 1/6 1/8 1/10 1/12 1/15 averaging */
-
- if (i < 2) /* optical_res >= xres > optical_res/2 */
- used_res = optical_res;
- else if (i < 3) /* optical_res/2 >= xres > optical_res/3 */
- used_res = optical_res/2;
- else if (i < 4) /* optical_res/3 >= xres > optical_res/4 */
- used_res = optical_res/3;
- else if (i < 5) /* optical_res/4 >= xres > optical_res/5 */
- used_res = optical_res/4;
- else if (i < 6) /* optical_res/5 >= xres > optical_res/6 */
- used_res = optical_res/5;
- else if (i < 8) /* optical_res/6 >= xres > optical_res/8 */
- used_res = optical_res/6;
- else if (i < 10) /* optical_res/8 >= xres > optical_res/10 */
- used_res = optical_res/8;
- else if (i < 12) /* optical_res/10 >= xres > optical_res/12 */
- used_res = optical_res/10;
- else if (i < 15) /* optical_res/12 >= xres > optical_res/15 */
- used_res = optical_res/12;
- else
- used_res = optical_res/15;
-
- /* compute scan parameters values */
- /* pixels are allways given at half or full CCD optical resolution */
- /* use detected left margin and fixed value */
-/* start */
- /* add x coordinates */
- start =
- ((dev->sensor.CCD_start_xoffset + startx) * used_res) /
- dev->sensor.optical_res;
-
-/* needs to be aligned for used_res */
- start = (start * optical_res) / used_res;
-
- start += dev->sensor.dummy_pixel + 1;
-
- if (stagger > 0)
- start |= 1;
-
- /* compute correct pixels number */
-/* pixels */
- used_pixels =
- (pixels * optical_res) / xres;
-
- /* round up pixels number if needed */
- if (used_pixels * xres < pixels * optical_res)
- used_pixels++;
-
-/* dummy */
- /* dummy lines: may not be usefull, for instance 250 dpi works with 0 or 1
- dummy line. Maybe the dummy line adds correctness since the motor runs
- slower (higher dpi)
- */
-/* for cis this creates better aligned color lines:
-dummy \ scanned lines
- 0: R G B R ...
- 1: R G B - R ...
- 2: R G B - - R ...
- 3: R G B - - - R ...
- 4: R G B - - - - R ...
- 5: R G B - - - - - R ...
- 6: R G B - - - - - - R ...
- 7: R G B - - - - - - - R ...
- 8: R G B - - - - - - - - R ...
- 9: R G B - - - - - - - - - R ...
- 10: R G B - - - - - - - - - - R ...
- 11: R G B - - - - - - - - - - - R ...
- 12: R G B - - - - - - - - - - - - R ...
- 13: R G B - - - - - - - - - - - - - R ...
- 14: R G B - - - - - - - - - - - - - - R ...
- 15: R G B - - - - - - - - - - - - - - - R ...
- -- pierre
- */
- dummy = 0;
-
-/* slope_dpi */
-/* cis color scan is effectively a gray scan with 3 gray lines per color
- line and a FILTER of 0 */
- if (dev->model->is_cis)
- slope_dpi = yres*channels;
- else
- slope_dpi = yres;
-
- slope_dpi = slope_dpi * (1 + dummy);
-
- scan_step_type = gl841_scan_step_type(dev, yres);
- exposure_time = gl841_exposure_time(dev,
- slope_dpi,
- scan_step_type,
- start,
- used_pixels,
- &scan_power_mode);
- DBG (DBG_info, "%s : exposure_time=%d pixels\n", __func__, exposure_time);
-
- /* scanned area must be enlarged by max color shift needed */
- max_shift=sanei_genesys_compute_max_shift(dev,channels,yres,0);
-
- /* lincnt */
- lincnt = lines + max_shift + stagger;
-
- dev->current_setup.pixels = (used_pixels * used_res)/optical_res;
- dev->current_setup.lines = lincnt;
- dev->current_setup.depth = depth;
- dev->current_setup.channels = channels;
- dev->current_setup.exposure_time = exposure_time;
- dev->current_setup.xres = used_res;
- dev->current_setup.yres = yres;
- dev->current_setup.half_ccd = half_ccd;
- dev->current_setup.stagger = stagger;
- dev->current_setup.max_shift = max_shift + stagger;
-
- DBGCOMPLETED;
- return SANE_STATUS_GOOD;
-}
-
-static void
-gl841_set_motor_power (Genesys_Register_Set * regs, SANE_Bool set)
-{
-
- DBG (DBG_proc, "gl841_set_motor_power\n");
-
- if (set)
- {
- sanei_genesys_set_reg_from_set (regs, 0x02,
- sanei_genesys_read_reg_from_set (regs,
- 0x02) |
- REG02_MTRPWR);
- }
- else
- {
- sanei_genesys_set_reg_from_set (regs, 0x02,
- sanei_genesys_read_reg_from_set (regs,
- 0x02) &
- ~REG02_MTRPWR);
- }
-}
-
-static void
-gl841_set_lamp_power (Genesys_Device * dev,
- Genesys_Register_Set * regs, SANE_Bool set)
-{
- Genesys_Register_Set * r;
- int i;
-
- if (set)
- {
- sanei_genesys_set_reg_from_set (regs, 0x03,
- sanei_genesys_read_reg_from_set (regs,
- 0x03) |
- REG03_LAMPPWR);
-
- r = sanei_genesys_get_address (regs, 0x10);
- for (i = 0; i < 6; i++, r++) {
- if (dev->sensor.regs_0x10_0x1d[i] == 0x00)
- r->value = 0x01;/*0x00 will not be accepted*/
- else
- r->value = dev->sensor.regs_0x10_0x1d[i];
- }
- r = sanei_genesys_get_address (regs, 0x19);
- r->value = 0x50;
- }
- else
- {
- sanei_genesys_set_reg_from_set (regs, 0x03,
- sanei_genesys_read_reg_from_set (regs,
- 0x03) &
- ~REG03_LAMPPWR);
-
- r = sanei_genesys_get_address (regs, 0x10);
- for (i = 0; i < 6; i++, r++) {
- r->value = 0x01;/* 0x0101 is as off as possible */
- }
- r = sanei_genesys_get_address (regs, 0x19);
- r->value = 0xff;
- }
-}
-
-/*for fast power saving methods only, like disabling certain amplifiers*/
-static SANE_Status
-gl841_save_power(Genesys_Device * dev, SANE_Bool enable) {
- uint8_t val;
-
- DBG(DBG_proc, "gl841_save_power: enable = %d\n", enable);
-
- if (enable)
- {
- if (dev->model->gpo_type == GPO_CANONLIDE35)
- {
-/* expect GPIO17 to be enabled, and GPIO9 to be disabled,
- while GPIO8 is disabled*/
-/* final state: GPIO8 disabled, GPIO9 enabled, GPIO17 disabled,
- GPIO18 disabled*/
-
- sanei_genesys_read_register(dev, REG6D, &val);
- sanei_genesys_write_register(dev, REG6D, val | 0x80);
-
- usleep(1000);
-
- /*enable GPIO9*/
- sanei_genesys_read_register(dev, REG6C, &val);
- sanei_genesys_write_register(dev, REG6C, val | 0x01);
-
- /*disable GPO17*/
- sanei_genesys_read_register(dev, REG6B, &val);
- sanei_genesys_write_register(dev, REG6B, val & ~REG6B_GPO17);
-
- /*disable GPO18*/
- sanei_genesys_read_register(dev, REG6B, &val);
- sanei_genesys_write_register(dev, REG6B, val & ~REG6B_GPO18);
-
- usleep(1000);
-
- sanei_genesys_read_register(dev, REG6D, &val);
- sanei_genesys_write_register(dev, REG6D, val & ~0x80);
-
- }
- if (dev->model->gpo_type == GPO_DP685)
- {
- sanei_genesys_read_register(dev, REG6B, &val);
- sanei_genesys_write_register(dev, REG6B, val & ~REG6B_GPO17);
- dev->reg[reg_0x6b].value &= ~REG6B_GPO17;
- dev->calib_reg[reg_0x6b].value &= ~REG6B_GPO17;
- }
-
- gl841_set_fe (dev, AFE_POWER_SAVE);
-
- }
- else
- {
- if (dev->model->gpo_type == GPO_CANONLIDE35)
- {
-/* expect GPIO17 to be enabled, and GPIO9 to be disabled,
- while GPIO8 is disabled*/
-/* final state: GPIO8 enabled, GPIO9 disabled, GPIO17 enabled,
- GPIO18 enabled*/
-
- sanei_genesys_read_register(dev, REG6D, &val);
- sanei_genesys_write_register(dev, REG6D, val | 0x80);
-
- usleep(10000);
-
- /*disable GPIO9*/
- sanei_genesys_read_register(dev, REG6C, &val);
- sanei_genesys_write_register(dev, REG6C, val & ~0x01);
-
- /*enable GPIO10*/
- sanei_genesys_read_register(dev, REG6C, &val);
- sanei_genesys_write_register(dev, REG6C, val | 0x02);
-
- /*enable GPO17*/
- sanei_genesys_read_register(dev, REG6B, &val);
- sanei_genesys_write_register(dev, REG6B, val | REG6B_GPO17);
- dev->reg[reg_0x6b].value |= REG6B_GPO17;
- dev->calib_reg[reg_0x6b].value |= REG6B_GPO17;
-
- /*enable GPO18*/
- sanei_genesys_read_register(dev, REG6B, &val);
- sanei_genesys_write_register(dev, REG6B, val | REG6B_GPO18);
- dev->reg[reg_0x6b].value |= REG6B_GPO18;
- dev->calib_reg[reg_0x6b].value |= REG6B_GPO18;
-
- }
- if (dev->model->gpo_type == GPO_DP665
- || dev->model->gpo_type == GPO_DP685)
- {
- sanei_genesys_read_register(dev, REG6B, &val);
- sanei_genesys_write_register(dev, REG6B, val | REG6B_GPO17);
- dev->reg[reg_0x6b].value |= REG6B_GPO17;
- dev->calib_reg[reg_0x6b].value |= REG6B_GPO17;
- }
-
- }
-
- return SANE_STATUS_GOOD;
-}
-
-static SANE_Status
-gl841_set_powersaving (Genesys_Device * dev,
- int delay /* in minutes */ )
-{
- SANE_Status status;
- Genesys_Register_Set local_reg[7];
- int rate, exposure_time, tgtime, time;
-
- DBG (DBG_proc, "gl841_set_powersaving (delay = %d)\n", delay);
-
- local_reg[0].address = 0x01;
- local_reg[0].value = sanei_genesys_read_reg_from_set (dev->reg, 0x01); /* disable fastmode */
-
- local_reg[1].address = 0x03;
- local_reg[1].value = sanei_genesys_read_reg_from_set (dev->reg, 0x03); /* Lamp power control */
-
- local_reg[2].address = 0x05;
- local_reg[2].value = sanei_genesys_read_reg_from_set (dev->reg, 0x05) /*& ~REG05_BASESEL*/; /* 24 clocks/pixel */
-
- local_reg[3].address = 0x18; /* Set CCD type */
- local_reg[3].value = 0x00;
-
- local_reg[4].address = 0x38; /* line period low */
- local_reg[4].value = 0x00;
-
- local_reg[5].address = 0x39; /* line period high */
- local_reg[5].value = 0x00;
-
- local_reg[6].address = 0x1c; /* period times for LPeriod, expR,expG,expB, Z1MODE, Z2MODE */
- local_reg[6].value = sanei_genesys_read_reg_from_set (dev->reg, 0x05) & ~REG1C_TGTIME;
-
- if (!delay)
- local_reg[1].value = local_reg[1].value & 0xf0; /* disable lampdog and set lamptime = 0 */
- else if (delay < 20)
- local_reg[1].value = (local_reg[1].value & 0xf0) | 0x09; /* enable lampdog and set lamptime = 1 */
- else
- local_reg[1].value = (local_reg[1].value & 0xf0) | 0x0f; /* enable lampdog and set lamptime = 7 */
-
- time = delay * 1000 * 60; /* -> msec */
- exposure_time =
- (uint32_t) (time * 32000.0 /
- (24.0 * 64.0 * (local_reg[1].value & REG03_LAMPTIM) *
- 1024.0) + 0.5);
- /* 32000 = system clock, 24 = clocks per pixel */
- rate = (exposure_time + 65536) / 65536;
- if (rate > 4)
- {
- rate = 8;
- tgtime = 3;
- }
- else if (rate > 2)
- {
- rate = 4;
- tgtime = 2;
- }
- else if (rate > 1)
- {
- rate = 2;
- tgtime = 1;
- }
- else
- {
- rate = 1;
- tgtime = 0;
- }
-
- local_reg[6].value |= tgtime;
- exposure_time /= rate;
-
- if (exposure_time > 65535)
- exposure_time = 65535;
-
- local_reg[4].value = exposure_time >> 8; /* highbyte */
- local_reg[5].value = exposure_time & 255; /* lowbyte */
-
- status =
- gl841_bulk_write_register (dev, local_reg,
- sizeof (local_reg)/sizeof (local_reg[0]));
- if (status != SANE_STATUS_GOOD)
- DBG (DBG_error,
- "gl841_set_powersaving: failed to bulk write registers: %s\n",
- sane_strstatus (status));
-
- DBG (DBG_proc, "gl841_set_powersaving: completed\n");
- return status;
-}
-
-#ifndef UNIT_TESTING
-static
-#endif
-SANE_Status
-gl841_start_action (Genesys_Device * dev)
-{
- return sanei_genesys_write_register (dev, 0x0f, 0x01);
-}
-
-#ifndef UNIT_TESTING
-static
-#endif
-SANE_Status
-gl841_stop_action (Genesys_Device * dev)
-{
- Genesys_Register_Set local_reg[GENESYS_GL841_MAX_REGS+1];
- SANE_Status status;
- uint8_t val40, val;
- unsigned int loop;
-
- DBG (DBG_proc, "%s\n", __func__);
-
- status = sanei_genesys_get_status (dev, &val);
- if (DBG_LEVEL >= DBG_io)
- {
- sanei_genesys_print_status (val);
- }
-
- status = sanei_genesys_read_register(dev, 0x40, &val40);
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error,
- "%s: failed to read home sensor: %s\n",__func__,
- sane_strstatus (status));
- DBGCOMPLETED;
- return status;
- }
-
- /* only stop action if needed */
- if (!(val40 & REG40_DATAENB) && !(val40 & REG40_MOTMFLG))
- {
- DBG (DBG_info, "%s: already stopped\n", __func__);
- DBGCOMPLETED;
- return SANE_STATUS_GOOD;
- }
-
- memcpy (local_reg, dev->reg, (GENESYS_GL841_MAX_REGS+1) * sizeof (Genesys_Register_Set));
-
- gl841_init_optical_regs_off(local_reg);
-
- gl841_init_motor_regs_off(local_reg,0);
- status = gl841_bulk_write_register (dev, local_reg, GENESYS_GL841_MAX_REGS);
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error, "%s: failed to bulk write registers: %s\n", __func__,
- sane_strstatus (status));
- return status;
- }
-
- /* looks like writing the right registers to zero is enough to get the chip
- out of scan mode into command mode, actually triggering(writing to
- register 0x0f) seems to be unnecessary */
-
- loop = 10;
- while (loop > 0)
- {
- status = sanei_genesys_read_register(dev, 0x40, &val40);
- if (DBG_LEVEL >= DBG_io)
- {
- sanei_genesys_print_status (val);
- }
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error,
- "%s: failed to read home sensor: %s\n",__func__,
- sane_strstatus (status));
- DBGCOMPLETED;
- return status;
- }
-
- /* if scanner is in command mode, we are done */
- if (!(val40 & REG40_DATAENB) && !(val40 & REG40_MOTMFLG))
- {
- DBGCOMPLETED;
- return SANE_STATUS_GOOD;
- }
-
- usleep(100*1000);
- loop--;
- }
-
- DBGCOMPLETED;
- return SANE_STATUS_IO_ERROR;
-}
-
-static SANE_Status
-gl841_get_paper_sensor(Genesys_Device * dev, SANE_Bool * paper_loaded)
-{
- SANE_Status status;
- uint8_t val;
-
- status = sanei_genesys_read_register(dev, REG6D, &val);
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error,
- "gl841_get_paper_sensor: failed to read gpio: %s\n",
- sane_strstatus (status));
- return status;
- }
- *paper_loaded = (val & 0x1) == 0;
- return SANE_STATUS_GOOD;
-}
-
-static SANE_Status
-gl841_eject_document (Genesys_Device * dev)
-{
- Genesys_Register_Set local_reg[GENESYS_GL841_MAX_REGS+1];
- SANE_Status status;
- uint8_t val;
- SANE_Bool paper_loaded;
- unsigned int init_steps;
- float feed_mm;
- int loop;
-
- DBG (DBG_proc, "gl841_eject_document\n");
-
- if (dev->model->is_sheetfed == SANE_FALSE)
- {
- DBG (DBG_proc, "gl841_eject_document: there is no \"eject sheet\"-concept for non sheet fed\n");
- DBG (DBG_proc, "gl841_eject_document: finished\n");
- return SANE_STATUS_GOOD;
- }
-
-
- memset (local_reg, 0, sizeof (local_reg));
- val = 0;
-
- status = sanei_genesys_get_status (dev, &val);
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error,
- "gl841_eject_document: failed to read status register: %s\n",
- sane_strstatus (status));
- return status;
- }
-
- status = gl841_stop_action (dev);
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error,
- "gl841_eject_document: failed to stop motor: %s\n",
- sane_strstatus (status));
- return SANE_STATUS_IO_ERROR;
- }
-
- memcpy (local_reg, dev->reg, (GENESYS_GL841_MAX_REGS+1) * sizeof (Genesys_Register_Set));
-
- gl841_init_optical_regs_off(local_reg);
-
- gl841_init_motor_regs(dev,local_reg,
- 65536,MOTOR_ACTION_FEED,0);
-
- status =
- gl841_bulk_write_register (dev, local_reg, GENESYS_GL841_MAX_REGS);
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error,
- "gl841_eject_document: failed to bulk write registers: %s\n",
- sane_strstatus (status));
- return status;
- }
-
- status = gl841_start_action (dev);
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error,
- "gl841_eject_document: failed to start motor: %s\n",
- sane_strstatus (status));
- gl841_stop_action (dev);
- /* send original registers */
- gl841_bulk_write_register (dev, dev->reg, GENESYS_GL841_MAX_REGS);
- return status;
- }
-
- RIE(gl841_get_paper_sensor(dev, &paper_loaded));
- if (paper_loaded)
- {
- DBG (DBG_info,
- "gl841_eject_document: paper still loaded\n");
- /* force document TRUE, because it is definitely present */
- dev->document = SANE_TRUE;
- dev->scanhead_position_in_steps = 0;
-
- loop = 300;
- while (loop > 0) /* do not wait longer then 30 seconds */
- {
-
- RIE(gl841_get_paper_sensor(dev, &paper_loaded));
-
- if (!paper_loaded)
- {
- DBG (DBG_info,
- "gl841_eject_document: reached home position\n");
- DBG (DBG_proc, "gl841_eject_document: finished\n");
- break;
- }
- usleep (100000); /* sleep 100 ms */
- --loop;
- }
-
- if (loop == 0)
- {
- /* when we come here then the scanner needed too much time for this, so we better stop the motor */
- gl841_stop_action (dev);
- DBG (DBG_error,
- "gl841_eject_document: timeout while waiting for scanhead to go home\n");
- return SANE_STATUS_IO_ERROR;
- }
- }
-
- feed_mm = SANE_UNFIX(dev->model->eject_feed);
- if (dev->document)
- {
- feed_mm += SANE_UNFIX(dev->model->post_scan);
- }
-
- status = sanei_genesys_read_feed_steps(dev, &init_steps);
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error,
- "gl841_eject_document: failed to read feed steps: %s\n",
- sane_strstatus (status));
- return status;
- }
-
- /* now feed for extra <number> steps */
- loop = 0;
- while (loop < 300) /* do not wait longer then 30 seconds */
- {
- unsigned int steps;
-
- status = sanei_genesys_read_feed_steps(dev, &steps);
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error,
- "gl841_eject_document: failed to read feed steps: %s\n",
- sane_strstatus (status));
- return status;
- }
-
- DBG (DBG_info, "gl841_eject_document: init_steps: %d, steps: %d\n",
- init_steps, steps);
-
- if (steps > init_steps + (feed_mm * dev->motor.base_ydpi) / MM_PER_INCH)
- {
- break;
- }
-
- usleep (100000); /* sleep 100 ms */
- ++loop;
- }
-
- status = gl841_stop_action(dev);
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error,
- "gl841_eject_document: failed to stop motor: %s\n",
- sane_strstatus (status));
- return status;
- }
-
- dev->document = SANE_FALSE;
-
- DBG (DBG_proc, "gl841_eject_document: finished\n");
- return SANE_STATUS_GOOD;
-}
-
-
-static SANE_Status
-gl841_load_document (Genesys_Device * dev)
-{
- SANE_Status status;
- SANE_Bool paper_loaded;
- int loop = 300;
- DBG (DBG_proc, "gl841_load_document\n");
- while (loop > 0) /* do not wait longer then 30 seconds */
- {
-
- RIE(gl841_get_paper_sensor(dev, &paper_loaded));
-
- if (paper_loaded)
- {
- DBG (DBG_info,
- "gl841_load_document: document inserted\n");
-
- /* when loading OK, document is here */
- dev->document = SANE_TRUE;
-
- usleep (1000000); /* give user 1000ms to place document correctly */
- break;
- }
- usleep (100000); /* sleep 100 ms */
- --loop;
- }
-
- if (loop == 0)
- {
- /* when we come here then the user needed to much time for this */
- DBG (DBG_error,
- "gl841_load_document: timeout while waiting for document\n");
- return SANE_STATUS_IO_ERROR;
- }
-
- DBG (DBG_proc, "gl841_load_document: finished\n");
- return SANE_STATUS_GOOD;
-}
-
-/**
- * detects end of document and adjust current scan
- * to take it into account
- * used by sheetfed scanners
- */
-static SANE_Status
-gl841_detect_document_end (Genesys_Device * dev)
-{
- SANE_Status status = SANE_STATUS_GOOD;
- SANE_Bool paper_loaded;
- unsigned int scancnt = 0, lincnt, postcnt;
- uint8_t val;
- size_t total_bytes_to_read;
-
- DBG (DBG_proc, "%s: begin\n", __func__);
-
- RIE (gl841_get_paper_sensor (dev, &paper_loaded));
-
- /* sheetfed scanner uses home sensor as paper present */
- if ((dev->document == SANE_TRUE) && !paper_loaded)
- {
- DBG (DBG_info, "%s: no more document\n", __func__);
- dev->document = SANE_FALSE;
-
- /* we can't rely on total_bytes_to_read since the frontend
- * might have been slow to read data, so we re-evaluate the
- * amount of data to scan form the hardware settings
- */
- status=sanei_genesys_read_scancnt(dev,&scancnt);
- if(status!=SANE_STATUS_GOOD)
- {
- dev->total_bytes_to_read = dev->total_bytes_read;
- dev->read_bytes_left = 0;
- DBG (DBG_proc, "%s: finished\n", __func__);
- return SANE_STATUS_GOOD;
- }
- if (dev->settings.scan_mode == SCAN_MODE_COLOR && dev->model->is_cis)
- {
- scancnt/=3;
- }
- DBG (DBG_io, "%s: scancnt=%u lines\n",__func__, scancnt);
-
- RIE(sanei_genesys_read_register(dev, 0x25, &val));
- lincnt=65536*val;
- RIE(sanei_genesys_read_register(dev, 0x26, &val));
- lincnt+=256*val;
- RIE(sanei_genesys_read_register(dev, 0x27, &val));
- lincnt+=val;
- DBG (DBG_io, "%s: lincnt=%u lines\n",__func__, lincnt);
- postcnt=(SANE_UNFIX(dev->model->post_scan)/MM_PER_INCH)*dev->settings.yres;
- DBG (DBG_io, "%s: postcnt=%u lines\n",__func__, postcnt);
-
- /* the current scancnt is also the final one, so we use it to
- * compute total bytes to read. We also add the line count to eject document */
- total_bytes_to_read=(scancnt+postcnt)*dev->wpl;
-
- DBG (DBG_io, "%s: old total_bytes_to_read=%u\n",__func__,(unsigned int)dev->total_bytes_to_read);
- DBG (DBG_io, "%s: new total_bytes_to_read=%u\n",__func__,(unsigned int)total_bytes_to_read);
-
- /* assign new end value */
- if(dev->total_bytes_to_read>total_bytes_to_read)
- {
- DBG (DBG_io, "%s: scan shorten\n",__func__);
- dev->total_bytes_to_read=total_bytes_to_read;
- }
- }
-
- DBG (DBG_proc, "%s: finished\n", __func__);
- return SANE_STATUS_GOOD;
-}
-
-/* Send the low-level scan command */
-/* todo : is this that useful ? */
-#ifndef UNIT_TESTING
-static
-#endif
-SANE_Status
-gl841_begin_scan (Genesys_Device * dev, Genesys_Register_Set * reg,
- SANE_Bool start_motor)
-{
- SANE_Status status;
- Genesys_Register_Set local_reg[4];
- uint8_t val;
-
- DBG (DBG_proc, "gl841_begin_scan\n");
-
- if (dev->model->gpo_type == GPO_CANONLIDE80)
- {
- RIE (sanei_genesys_read_register (dev, REG6B, &val));
- val = REG6B_GPO18;
- RIE (sanei_genesys_write_register (dev, REG6B, val));
- }
-
- local_reg[0].address = 0x03;
- if (dev->model->ccd_type != CCD_PLUSTEK_3600)
- {
- local_reg[0].value = sanei_genesys_read_reg_from_set (reg, 0x03) | REG03_LAMPPWR;
- }
- else
- {
- local_reg[0].value = sanei_genesys_read_reg_from_set (reg, 0x03); /* TODO PLUSTEK_3600: why ?? */
- }
-
- local_reg[1].address = 0x01;
- local_reg[1].value = sanei_genesys_read_reg_from_set (reg, 0x01) | REG01_SCAN; /* set scan bit */
-
- local_reg[2].address = 0x0d;
- local_reg[2].value = 0x01;
-
- local_reg[3].address = 0x0f;
- if (start_motor)
- local_reg[3].value = 0x01;
- else
- local_reg[3].value = 0x00; /* do not start motor yet */
-
- status =
- gl841_bulk_write_register (dev, local_reg,
- sizeof (local_reg)/sizeof (local_reg[0]));
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error,
- "gl841_begin_scan: failed to bulk write registers: %s\n",
- sane_strstatus (status));
- return status;
- }
-
- DBG (DBG_proc, "gl841_begin_scan: completed\n");
-
- return status;
-}
-
-
-/* Send the stop scan command */
-#ifndef UNIT_TESTING
-static
-#endif
-SANE_Status
-gl841_end_scan (Genesys_Device * dev, Genesys_Register_Set __sane_unused__ * reg,
- SANE_Bool check_stop)
-{
- SANE_Status status;
-
- DBG (DBG_proc, "gl841_end_scan (check_stop = %d)\n", check_stop);
-
- if (dev->model->is_sheetfed == SANE_TRUE)
- {
- status = SANE_STATUS_GOOD;
- }
- else /* flat bed scanners */
- {
- status = gl841_stop_action (dev);
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error,
- "gl841_end_scan: failed to stop: %s\n",
- sane_strstatus (status));
- return status;
- }
- }
-
- DBG (DBG_proc, "gl841_end_scan: completed\n");
-
- return status;
-}
-
-/* Moves the slider to steps */
-#ifndef UNIT_TESTING
-static
-#endif
-SANE_Status
-gl841_feed (Genesys_Device * dev, int steps)
-{
- Genesys_Register_Set local_reg[GENESYS_GL841_MAX_REGS+1];
- SANE_Status status;
- uint8_t val;
- int loop;
-
- DBG (DBG_proc, "gl841_feed (steps = %d)\n", steps);
-
- status = gl841_stop_action (dev);
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error, "gl841_feed: failed to stop action: %s\n",
- sane_strstatus (status));
- return status;
- }
-
- memcpy (local_reg, dev->reg, (GENESYS_GL841_MAX_REGS+1) * sizeof (Genesys_Register_Set));
-
- gl841_init_optical_regs_off(local_reg);
-
- gl841_init_motor_regs(dev,local_reg, steps,MOTOR_ACTION_FEED,0);
-
- status = gl841_bulk_write_register (dev, local_reg, GENESYS_GL841_MAX_REGS);
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error,
- "gl841_feed: failed to bulk write registers: %s\n",
- sane_strstatus (status));
- return status;
- }
-
- status = gl841_start_action (dev);
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error,
- "gl841_feed: failed to start motor: %s\n",
- sane_strstatus (status));
- gl841_stop_action (dev);
- /* send original registers */
- gl841_bulk_write_register (dev, dev->reg, GENESYS_GL841_MAX_REGS);
- return status;
- }
-
- loop = 0;
- while (loop < 300) /* do not wait longer then 30 seconds */
- {
- status = sanei_genesys_get_status (dev, &val);
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error,
- "gl841_feed: failed to read home sensor: %s\n",
- sane_strstatus (status));
- return status;
- }
-
- if (!(val & REG41_MOTORENB)) /* motor enabled */
- {
- DBG (DBG_proc, "gl841_feed: finished\n");
- dev->scanhead_position_in_steps += steps;
- return SANE_STATUS_GOOD;
- }
- usleep (100000); /* sleep 100 ms */
- ++loop;
- }
-
- /* when we come here then the scanner needed too much time for this, so we better stop the motor */
- gl841_stop_action (dev);
-
- DBG (DBG_error,
- "gl841_feed: timeout while waiting for scanhead to go home\n");
- return SANE_STATUS_IO_ERROR;
-}
-
-/* Moves the slider to the home (top) position slowly */
-#ifndef UNIT_TESTING
-static
-#endif
-SANE_Status
-gl841_slow_back_home (Genesys_Device * dev, SANE_Bool wait_until_home)
-{
- Genesys_Register_Set local_reg[GENESYS_GL841_MAX_REGS+1];
- SANE_Status status;
- Genesys_Register_Set *r;
- uint8_t val;
- int loop = 0;
-
- DBG (DBG_proc, "gl841_slow_back_home (wait_until_home = %d)\n",
- wait_until_home);
-
- if (dev->model->is_sheetfed == SANE_TRUE)
- {
- DBG (DBG_proc, "gl841_slow_back_home: there is no \"home\"-concept for sheet fed\n");
- DBG (DBG_proc, "gl841_slow_back_home: finished\n");
- return SANE_STATUS_GOOD;
- }
-
- /* reset gpio pin */
- if (dev->model->gpo_type == GPO_CANONLIDE35)
- {
- RIE (sanei_genesys_read_register (dev, REG6C, &val));
- val = dev->gpo.value[0];
- RIE (sanei_genesys_write_register (dev, REG6C, val));
- }
- if (dev->model->gpo_type == GPO_CANONLIDE80)
- {
- RIE (sanei_genesys_read_register (dev, REG6B, &val));
- val = REG6B_GPO18 | REG6B_GPO17;
- RIE (sanei_genesys_write_register (dev, REG6B, val));
- }
- gl841_save_power(dev, SANE_FALSE);
-
- /* first read gives HOME_SENSOR true */
- status = sanei_genesys_get_status (dev, &val);
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error,
- "gl847_slow_back_home: failed to read home sensor: %s\n",
- sane_strstatus (status));
- return status;
- }
- if (DBG_LEVEL >= DBG_io)
- {
- sanei_genesys_print_status (val);
- }
- usleep (100000); /* sleep 100 ms */
-
- /* second is reliable */
- status = sanei_genesys_get_status (dev, &val);
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error,
- "gl841_slow_back_home: failed to read home sensor: %s\n",
- sane_strstatus (status));
- return status;
- }
- if (DBG_LEVEL >= DBG_io)
- {
- sanei_genesys_print_status (val);
- }
-
- dev->scanhead_position_in_steps = 0;
-
- if (val & REG41_HOMESNR) /* is sensor at home? */
- {
- DBG (DBG_info,
- "gl841_slow_back_home: already at home, completed\n");
- dev->scanhead_position_in_steps = 0;
- return SANE_STATUS_GOOD;
- }
-
- /* end previous scan if any */
- r = sanei_genesys_get_address (dev->reg, REG01);
- r->value &= ~REG01_SCAN;
- status = sanei_genesys_write_register (dev, REG01, r->value);
-
- /* if motor is on, stop current action */
- if (val & REG41_MOTORENB)
- {
- status = gl841_stop_action (dev);
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error,
- "gl841_slow_back_home: failed to stop motor: %s\n",
- sane_strstatus (status));
- return SANE_STATUS_IO_ERROR;
- }
- }
-
- memcpy (local_reg, dev->reg, (GENESYS_GL841_MAX_REGS+1) * sizeof (Genesys_Register_Set));
-
- gl841_init_motor_regs(dev,local_reg, 65536,MOTOR_ACTION_GO_HOME,0);
-
- /* set up for reverse and no scan */
- r = sanei_genesys_get_address (local_reg, REG02);
- r->value |= REG02_MTRREV;
- r = sanei_genesys_get_address (local_reg, REG01);
- r->value &= ~REG01_SCAN;
-
- RIE (gl841_bulk_write_register (dev, local_reg, GENESYS_GL841_MAX_REGS));
-
- status = gl841_start_action (dev);
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error,
- "gl841_slow_back_home: failed to start motor: %s\n",
- sane_strstatus (status));
- gl841_stop_action (dev);
- /* send original registers */
- gl841_bulk_write_register (dev, dev->reg, GENESYS_GL841_MAX_REGS);
- return status;
- }
-
- if (wait_until_home)
- {
- while (loop < 300) /* do not wait longer then 30 seconds */
- {
- status = sanei_genesys_get_status (dev, &val);
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error,
- "gl841_slow_back_home: failed to read home sensor: %s\n",
- sane_strstatus (status));
- return status;
- }
-
- if (val & REG41_HOMESNR) /* home sensor */
- {
- DBG (DBG_info, "gl841_slow_back_home: reached home position\n");
- DBG (DBG_proc, "gl841_slow_back_home: finished\n");
- return SANE_STATUS_GOOD;
- }
- usleep (100000); /* sleep 100 ms */
- ++loop;
- }
-
- /* when we come here then the scanner needed too much time for this, so we better stop the motor */
- gl841_stop_action (dev);
- DBG (DBG_error,
- "gl841_slow_back_home: timeout while waiting for scanhead to go home\n");
- return SANE_STATUS_IO_ERROR;
- }
-
- DBG (DBG_info, "gl841_slow_back_home: scanhead is still moving\n");
- DBG (DBG_proc, "gl841_slow_back_home: finished\n");
- return SANE_STATUS_GOOD;
-}
-
-/* Automatically set top-left edge of the scan area by scanning a 200x200 pixels
- area at 600 dpi from very top of scanner */
-static SANE_Status
-gl841_search_start_position (Genesys_Device * dev)
-{
- int size;
- SANE_Status status;
- uint8_t *data;
- Genesys_Register_Set local_reg[GENESYS_GL841_MAX_REGS+1];
- int steps;
-
- int pixels = 600;
- int dpi = 300;
-
- DBGSTART;
-
- memcpy (local_reg, dev->reg, (GENESYS_GL841_MAX_REGS +1) * sizeof (Genesys_Register_Set));
-
- /* sets for a 200 lines * 600 pixels */
- /* normal scan with no shading */
-
- status = gl841_init_scan_regs (dev,
- local_reg,
- dpi,
- dpi,
- 0,
- 0,/*we should give a small offset here~60 steps*/
- 600,
- dev->model->search_lines,
- 8,
- 1,
- 1,/*green*/
- SCAN_FLAG_DISABLE_SHADING |
- SCAN_FLAG_DISABLE_GAMMA |
- SCAN_FLAG_IGNORE_LINE_DISTANCE |
- SCAN_FLAG_DISABLE_BUFFER_FULL_MOVE);
- if(status!=SANE_STATUS_GOOD)
- {
- DBG (DBG_error, "%s: failed to init scan registers: %s\n", __func__,
- sane_strstatus (status));
- return status;
- }
-
- /* send to scanner */
- status =
- gl841_bulk_write_register (dev, local_reg, GENESYS_GL841_MAX_REGS);
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error, "%s: failed to bulk write registers: %s\n", __func__,
- sane_strstatus (status));
- return status;
- }
-
- size = pixels * dev->model->search_lines;
-
- data = malloc (size);
- if (!data)
- {
- DBG (DBG_error,
- "gl841_search_start_position: failed to allocate memory\n");
- return SANE_STATUS_NO_MEM;
- }
-
- status = gl841_begin_scan (dev, local_reg, SANE_TRUE);
- if (status != SANE_STATUS_GOOD)
- {
- free (data);
- DBG (DBG_error,
- "gl841_search_start_position: failed to begin scan: %s\n",
- sane_strstatus (status));
- return status;
- }
-
- /* waits for valid data */
- do
- sanei_genesys_test_buffer_empty (dev, &steps);
- while (steps);
-
- /* now we're on target, we can read data */
- status = sanei_genesys_read_data_from_scanner (dev, data, size);
- if (status != SANE_STATUS_GOOD)
- {
- free (data);
- DBG (DBG_error,
- "gl841_search_start_position: failed to read data: %s\n",
- sane_strstatus (status));
- return status;
- }
-
- if (DBG_LEVEL >= DBG_data)
- sanei_genesys_write_pnm_file ("search_position.pnm", data, 8, 1, pixels,
- dev->model->search_lines);
-
- status = gl841_end_scan (dev, local_reg, SANE_TRUE);
- if (status != SANE_STATUS_GOOD)
- {
- free (data);
- DBG (DBG_error,
- "gl841_search_start_position: failed to end scan: %s\n",
- sane_strstatus (status));
- return status;
- }
-
- /* update regs to copy ASIC internal state */
- memcpy (dev->reg, local_reg, (GENESYS_GL841_MAX_REGS + 1) * sizeof (Genesys_Register_Set));
-
-/*TODO: find out where sanei_genesys_search_reference_point
- stores information, and use that correctly*/
- status =
- sanei_genesys_search_reference_point (dev, data, 0, dpi, pixels,
- dev->model->search_lines);
- if (status != SANE_STATUS_GOOD)
- {
- free (data);
- DBG (DBG_error,
- "gl841_search_start_position: failed to set search reference point: %s\n",
- sane_strstatus (status));
- return status;
- }
-
- free (data);
- return SANE_STATUS_GOOD;
-}
-
-/*
- * sets up register for coarse gain calibration
- * todo: check it for scanners using it */
-static SANE_Status
-gl841_init_regs_for_coarse_calibration (Genesys_Device * dev)
-{
- SANE_Status status;
- uint8_t channels;
- uint8_t cksel;
-
- DBGSTART;
-
- cksel = (dev->calib_reg[reg_0x18].value & REG18_CKSEL) + 1; /* clock speed = 1..4 clocks */
-
- /* set line size */
- if (dev->settings.scan_mode == SCAN_MODE_COLOR) /* single pass color */
- channels = 3;
- else
- channels = 1;
-
- status = gl841_init_scan_regs (dev,
- dev->calib_reg,
- dev->settings.xres,
- dev->settings.yres,
- 0,
- 0,
- dev->sensor.optical_res / cksel, /* XXX STEF XXX !!! */
- 20,
- 16,
- channels,
- dev->settings.color_filter,
- SCAN_FLAG_DISABLE_SHADING |
- SCAN_FLAG_DISABLE_GAMMA |
- SCAN_FLAG_SINGLE_LINE |
- SCAN_FLAG_IGNORE_LINE_DISTANCE
- );
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error,
- "gl841_init_register_for_coarse_calibration: failed to setup scan: %s\n",
- sane_strstatus (status));
- return status;
- }
-
- DBG (DBG_info,
- "gl841_init_register_for_coarse_calibration: optical sensor res: %d dpi, actual res: %d\n",
- dev->sensor.optical_res / cksel, dev->settings.xres);
-
- status =
- gl841_bulk_write_register (dev, dev->calib_reg, GENESYS_GL841_MAX_REGS);
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error,
- "gl841_init_register_for_coarse_calibration: failed to bulk write registers: %s\n",
- sane_strstatus (status));
- return status;
- }
-
-
-/* if (DBG_LEVEL >= DBG_info)
- sanei_gl841_print_registers (dev->calib_reg);*/
-
- DBGCOMPLETED;
- return SANE_STATUS_GOOD;
-}
-
-
-/* init registers for shading calibration */
-static SANE_Status
-gl841_init_regs_for_shading (Genesys_Device * dev)
-{
- SANE_Status status;
- SANE_Int ydpi;
- float starty=0;
-
- DBGSTART;
- DBG (DBG_proc, "%s: lines = %d\n", __func__, (int)(dev->calib_lines));
-
- /* initial calibration reg values */
- memcpy (dev->calib_reg, dev->reg, GENESYS_GL841_MAX_REGS * sizeof (Genesys_Register_Set));
-
- ydpi = dev->motor.base_ydpi;
- if (dev->model->motor_type == MOTOR_PLUSTEK_3600) /* TODO PLUSTEK_3600: 1200dpi not yet working, produces dark bar */
- {
- ydpi = 600;
- }
- if (dev->model->motor_type == MOTOR_CANONLIDE80)
- {
- ydpi = gl841_get_dpihw(dev);
- /* get over extra dark area for this model */
- starty = 140;
- }
-
- dev->calib_channels = 3;
- dev->calib_lines = dev->model->shading_lines;
- status = gl841_init_scan_regs (dev,
- dev->calib_reg,
- dev->settings.xres,
- ydpi,
- 0,
- starty,
- (dev->sensor.sensor_pixels * dev->settings.xres) / dev->sensor.optical_res,
- dev->calib_lines,
- 16,
- dev->calib_channels,
- dev->settings.color_filter,
- SCAN_FLAG_DISABLE_SHADING |
- SCAN_FLAG_DISABLE_GAMMA |
- SCAN_FLAG_USE_OPTICAL_RES |
- /*SCAN_FLAG_DISABLE_BUFFER_FULL_MOVE |*/
- SCAN_FLAG_IGNORE_LINE_DISTANCE);
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error, "%s: failed to setup scan: %s\n", __func__, sane_strstatus (status));
- return status;
- }
-
- dev->calib_pixels = dev->current_setup.pixels;
- dev->scanhead_position_in_steps += dev->calib_lines + starty;
-
- status = gl841_bulk_write_register (dev, dev->calib_reg, GENESYS_GL841_MAX_REGS);
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error, "%s: failed to bulk write registers: %s\n", __func__,
- sane_strstatus (status));
- return status;
- }
-
- DBGCOMPLETED;
- return SANE_STATUS_GOOD;
-}
-
-/* set up registers for the actual scan
- */
-static SANE_Status
-gl841_init_regs_for_scan (Genesys_Device * dev)
-{
- int channels;
- int flags;
- int depth;
- float move;
- int move_dpi;
- float start;
-
- SANE_Status status;
-
- DBG (DBG_info,
- "gl841_init_regs_for_scan settings:\nResolution: %uDPI\n"
- "Lines : %u\nPPL : %u\nStartpos : %.3f/%.3f\nScan mode : %d\n\n",
- dev->settings.yres, dev->settings.lines, dev->settings.pixels,
- dev->settings.tl_x, dev->settings.tl_y, dev->settings.scan_mode);
-
- gl841_slow_back_home(dev,SANE_TRUE);
-
-/* channels */
- if (dev->settings.scan_mode == SCAN_MODE_COLOR) /* single pass color */
- channels = 3;
- else
- channels = 1;
-
-/* depth */
- depth = dev->settings.depth;
- if (dev->settings.scan_mode == SCAN_MODE_LINEART)
- depth = 1;
-
-
- /* steps to move to reach scanning area:
- - first we move to physical start of scanning
- either by a fixed steps amount from the black strip
- or by a fixed amount from parking position,
- minus the steps done during shading calibration
- - then we move by the needed offset whitin physical
- scanning area
-
- assumption: steps are expressed at maximum motor resolution
-
- we need:
- SANE_Fixed y_offset;
- SANE_Fixed y_size;
- SANE_Fixed y_offset_calib;
- mm_to_steps()=motor dpi / 2.54 / 10=motor dpi / MM_PER_INCH */
-
- /* if scanner uses GENESYS_FLAG_SEARCH_START y_offset is
- relative from origin, else, it is from parking position */
-
- move_dpi = dev->motor.base_ydpi;
-
- move = 0;
- if (dev->model->flags & GENESYS_FLAG_SEARCH_START)
- {
- move += SANE_UNFIX (dev->model->y_offset_calib);
- }
-
- DBG (DBG_info, "gl841_init_regs_for_scan: move=%f steps\n", move);
-
- move += SANE_UNFIX (dev->model->y_offset);
- DBG (DBG_info, "gl841_init_regs_for_scan: move=%f steps\n", move);
-
- move += dev->settings.tl_y;
- DBG (DBG_info, "gl841_init_regs_for_scan: move=%f steps\n", move);
-
- move = (move * move_dpi) / MM_PER_INCH;
-
-/* start */
- start = SANE_UNFIX (dev->model->x_offset);
-
- start += dev->settings.tl_x;
-
- start = (start * dev->sensor.optical_res) / MM_PER_INCH;
-
- flags=0;
-
- /* we enable true gray for cis scanners only, and just when doing
- * scan since color calibration is OK for this mode
- */
- flags = 0;
-
- /* true gray (led add for cis scanners) */
- if(dev->model->is_cis && dev->settings.true_gray
- && dev->settings.scan_mode != SCAN_MODE_COLOR)
- {
- DBG (DBG_io, "%s: activating LEDADD\n", __func__);
- flags |= SCAN_FLAG_ENABLE_LEDADD;
- }
-
- /* enable emulated lineart from gray data */
- if(dev->settings.scan_mode == SCAN_MODE_LINEART
- && dev->settings.dynamic_lineart)
- {
- flags |= SCAN_FLAG_DYNAMIC_LINEART;
- }
-
- status = gl841_init_scan_regs (dev,
- dev->reg,
- dev->settings.xres,
- dev->settings.yres,
- start,
- move,
- dev->settings.pixels,
- dev->settings.lines,
- depth,
- channels,
- dev->settings.color_filter,
- flags);
-
- if (status != SANE_STATUS_GOOD)
- return status;
-
-
- DBG (DBG_proc, "gl841_init_register_for_scan: completed\n");
- return SANE_STATUS_GOOD;
-}
-
-/*
- * this function sends generic gamma table (ie linear ones)
- * or the Sensor specific one if provided
- */
-static SANE_Status
-gl841_send_gamma_table (Genesys_Device * dev)
-{
- int size;
- SANE_Status status;
- uint8_t *gamma;
-
- DBGSTART;
-
- size = 256;
-
- /* allocate temporary gamma tables: 16 bits words, 3 channels */
- gamma = (uint8_t *) malloc (size * 2 * 3);
- if (gamma==NULL)
- {
- return SANE_STATUS_NO_MEM;
- }
-
- RIE(sanei_genesys_generate_gamma_buffer(dev, 16, 65535, size, gamma));
-
- /* send address */
- status = gl841_set_buffer_address_gamma (dev, 0x00000);
- if (status != SANE_STATUS_GOOD)
- {
- free (gamma);
- DBG (DBG_error,
- "gl841_send_gamma_table: failed to set buffer address: %s\n",
- sane_strstatus (status));
- return status;
- }
-
- /* send data */
- status = gl841_bulk_write_data_gamma (dev, 0x28, (uint8_t *) gamma, size * 2 * 3);
- if (status != SANE_STATUS_GOOD)
- {
- free (gamma);
- DBG (DBG_error,
- "gl841_send_gamma_table: failed to send gamma table: %s\n",
- sane_strstatus (status));
- return status;
- }
-
- free (gamma);
- DBGCOMPLETED;
- return SANE_STATUS_GOOD;
-}
-
-
-/* this function does the led calibration by scanning one line of the calibration
- area below scanner's top on white strip.
-
--needs working coarse/gain
-*/
-GENESYS_STATIC SANE_Status
-gl841_led_calibration (Genesys_Device * dev)
-{
- int num_pixels;
- int total_size;
- uint8_t *line;
- int i, j;
- SANE_Status status = SANE_STATUS_GOOD;
- int val;
- int channels;
- int avg[3], avga, avge;
- int turn;
- char fn[20];
- uint16_t exp[3], target;
- Genesys_Register_Set *r;
- int move;
-
- SANE_Bool acceptable = SANE_FALSE;
-
- /* these 2 boundaries should be per sensor */
- uint16_t min_exposure=500;
- uint16_t max_exposure;
-
- DBGSTART;
-
- /* feed to white strip if needed */
- if (dev->model->y_offset_calib>0)
- {
- move = SANE_UNFIX (dev->model->y_offset_calib);
- move = (move * (dev->motor.base_ydpi)) / MM_PER_INCH;
- DBG (DBG_io, "%s: move=%d lines\n", __func__, move);
- status = gl841_feed(dev, move);
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error, "%s: failed to feed: %s\n", __func__,
- sane_strstatus (status));
- return status;
- }
- }
-
- /* offset calibration is always done in color mode */
- channels = 3;
-
- status = gl841_init_scan_regs (dev,
- dev->calib_reg,
- dev->settings.xres,
- dev->settings.yres,
- 0,
- 0,
- (dev->sensor.sensor_pixels*dev->settings.xres) / dev->sensor.optical_res,
- 1,
- 16,
- channels,
- dev->settings.color_filter,
- SCAN_FLAG_DISABLE_SHADING |
- SCAN_FLAG_DISABLE_GAMMA |
- SCAN_FLAG_SINGLE_LINE |
- SCAN_FLAG_IGNORE_LINE_DISTANCE |
- SCAN_FLAG_USE_OPTICAL_RES
- );
-
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error,
- "%s: failed to setup scan: %s\n", __func__,
- sane_strstatus (status));
- return status;
- }
-
- RIE (gl841_bulk_write_register(dev, dev->calib_reg, GENESYS_GL841_MAX_REGS));
-
- num_pixels = dev->current_setup.pixels;
-
- total_size = num_pixels * channels * 2 * 1; /* colors * bytes_per_color * scan lines */
-
- line = malloc (total_size);
- if (!line)
- return SANE_STATUS_NO_MEM;
-
-/*
- we try to get equal bright leds here:
-
- loop:
- average per color
- adjust exposure times
- */
-
- exp[0] = (dev->sensor.regs_0x10_0x1d[0] << 8) | dev->sensor.regs_0x10_0x1d[1];
- exp[1] = (dev->sensor.regs_0x10_0x1d[2] << 8) | dev->sensor.regs_0x10_0x1d[3];
- exp[2] = (dev->sensor.regs_0x10_0x1d[4] << 8) | dev->sensor.regs_0x10_0x1d[5];
-
- turn = 0;
- /* max exposure is set to ~2 time initial average
- * exposure, or 2 time last calibration exposure */
- max_exposure=((exp[0]+exp[1]+exp[2])/3)*2;
- target=dev->sensor.gain_white_ref*256;
-
- do {
-
- dev->sensor.regs_0x10_0x1d[0] = (exp[0] >> 8) & 0xff;
- dev->sensor.regs_0x10_0x1d[1] = exp[0] & 0xff;
- dev->sensor.regs_0x10_0x1d[2] = (exp[1] >> 8) & 0xff;
- dev->sensor.regs_0x10_0x1d[3] = exp[1] & 0xff;
- dev->sensor.regs_0x10_0x1d[4] = (exp[2] >> 8) & 0xff;
- dev->sensor.regs_0x10_0x1d[5] = exp[2] & 0xff;
-
- r = &(dev->calib_reg[reg_0x10]);
- for (i = 0; i < 6; i++, r++) {
- r->value = dev->sensor.regs_0x10_0x1d[i];
- RIE (sanei_genesys_write_register (dev, 0x10+i, dev->sensor.regs_0x10_0x1d[i]));
- }
-
- RIE (gl841_bulk_write_register (dev, dev->calib_reg, GENESYS_GL841_MAX_REGS));
-
- DBG (DBG_info, "%s: starting line reading\n", __func__);
- RIE (gl841_begin_scan (dev, dev->calib_reg, SANE_TRUE));
- RIE (sanei_genesys_read_data_from_scanner (dev, line, total_size));
-
- if (DBG_LEVEL >= DBG_data) {
- snprintf(fn,20,"led_%d.pnm",turn);
- sanei_genesys_write_pnm_file (fn,
- line,
- 16,
- channels,
- num_pixels, 1);
- }
-
- /* compute average */
- for (j = 0; j < channels; j++)
- {
- avg[j] = 0;
- for (i = 0; i < num_pixels; i++)
- {
- if (dev->model->is_cis)
- val =
- line[i * 2 + j * 2 * num_pixels + 1] * 256 +
- line[i * 2 + j * 2 * num_pixels];
- else
- val =
- line[i * 2 * channels + 2 * j + 1] * 256 +
- line[i * 2 * channels + 2 * j];
- avg[j] += val;
- }
-
- avg[j] /= num_pixels;
- }
-
- DBG(DBG_info,"%s: average: %d,%d,%d\n", __func__, avg[0], avg[1], avg[2]);
-
- acceptable = SANE_TRUE;
-
- /* exposure is acceptable if each color is in the %5 range
- * of other color channels */
- if (avg[0] < avg[1] * 0.95 || avg[1] < avg[0] * 0.95 ||
- avg[0] < avg[2] * 0.95 || avg[2] < avg[0] * 0.95 ||
- avg[1] < avg[2] * 0.95 || avg[2] < avg[1] * 0.95)
- {
- acceptable = SANE_FALSE;
- }
-
- /* led exposure is not acceptable if white level is too low
- * ~80 hardcoded value for white level */
- if(avg[0]<20000 || avg[1]<20000 || avg[2]<20000)
- {
- acceptable = SANE_FALSE;
- }
-
- /* for scanners using target value */
- if(target>0)
- {
- acceptable = SANE_TRUE;
- for(i=0;i<3;i++)
- {
- /* we accept +- 2% delta from target */
- if(abs(avg[i]-target)>target/50)
- {
- exp[i]=(exp[i]*target)/avg[i];
- acceptable = SANE_FALSE;
- }
- }
- }
- else
- {
- if (!acceptable)
- {
- avga = (avg[0]+avg[1]+avg[2])/3;
- exp[0] = (exp[0] * avga) / avg[0];
- exp[1] = (exp[1] * avga) / avg[1];
- exp[2] = (exp[2] * avga) / avg[2];
- /*
- keep the resulting exposures below this value.
- too long exposure drives the ccd into saturation.
- we may fix this by relying on the fact that
- we get a striped scan without shading, by means of
- statistical calculation
- */
- avge = (exp[0] + exp[1] + exp[2]) / 3;
-
- if (avge > max_exposure) {
- exp[0] = (exp[0] * max_exposure) / avge;
- exp[1] = (exp[1] * max_exposure) / avge;
- exp[2] = (exp[2] * max_exposure) / avge;
- }
- if (avge < min_exposure) {
- exp[0] = (exp[0] * min_exposure) / avge;
- exp[1] = (exp[1] * min_exposure) / avge;
- exp[2] = (exp[2] * min_exposure) / avge;
- }
-
- }
- }
-
- RIE (gl841_stop_action (dev));
-
- turn++;
-
- } while (!acceptable && turn < 100);
-
- DBG(DBG_info,"%s: acceptable exposure: %d,%d,%d\n", __func__, exp[0],exp[1],exp[2]);
-
- /* cleanup before return */
- free (line);
-
- gl841_slow_back_home(dev, SANE_TRUE);
-
- DBGCOMPLETED;
- return status;
-}
-
-/** @brief calibration for AD frontend devices
- * offset calibration assumes that the scanning head is on a black area
- * For LiDE80 analog frontend
- * 0x0003 : is gain and belongs to [0..63]
- * 0x0006 : is offset
- * We scan a line with no gain until average offset reaches the target
- */
-static SANE_Status
-ad_fe_offset_calibration (Genesys_Device * dev)
-{
- SANE_Status status = SANE_STATUS_GOOD;
- int num_pixels;
- int total_size;
- uint8_t *line;
- int i;
- int average;
- int turn;
- char fn[20];
- int top;
- int bottom;
- int target;
-
- DBGSTART;
-
- /* don't impact 3600 behavior since we can't test it */
- if (dev->model->ccd_type == CCD_PLUSTEK_3600)
- {
- DBGCOMPLETED;
- return status;
- }
-
- status = gl841_init_scan_regs (dev,
- dev->calib_reg,
- dev->settings.xres,
- dev->settings.yres,
- 0,
- 0,
- (dev->sensor.sensor_pixels*dev->settings.xres) / dev->sensor.optical_res,
- 1,
- 8,
- 3,
- dev->settings.color_filter,
- SCAN_FLAG_DISABLE_SHADING |
- SCAN_FLAG_DISABLE_GAMMA |
- SCAN_FLAG_SINGLE_LINE |
- SCAN_FLAG_IGNORE_LINE_DISTANCE |
- SCAN_FLAG_USE_OPTICAL_RES);
-
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error,
- "gl841_offset_calibration: failed to setup scan: %s\n",
- sane_strstatus (status));
- return status;
- }
-
- num_pixels = dev->current_setup.pixels;
- total_size = num_pixels * 3 * 2 * 1;
-
- line = malloc (total_size);
- if (line==NULL)
- {
- DBGCOMPLETED;
- return SANE_STATUS_NO_MEM;
- }
-
- dev->frontend.gain[0] = 0x00;
- dev->frontend.gain[1] = 0x00;
- dev->frontend.gain[2] = 0x00;
-
- /* loop on scan until target offset is reached */
- turn=0;
- target=24;
- bottom=0;
- top=255;
- do {
- /* set up offset mid range */
- dev->frontend.offset[0] = (top+bottom)/2;
- dev->frontend.offset[1] = (top+bottom)/2;
- dev->frontend.offset[2] = (top+bottom)/2;
-
- /* scan line */
- DBG (DBG_info, "%s: starting line reading\n",__func__);
- gl841_bulk_write_register (dev, dev->calib_reg, GENESYS_GL841_MAX_REGS);
- gl841_set_fe(dev, AFE_SET);
- gl841_begin_scan (dev, dev->calib_reg, SANE_TRUE);
- sanei_genesys_read_data_from_scanner (dev, line, total_size);
- gl841_stop_action (dev);
- if (DBG_LEVEL >= DBG_data) {
- snprintf(fn,20,"offset_%02d.pnm",turn);
- sanei_genesys_write_pnm_file (fn, line, 8, 3, num_pixels, 1);
- }
-
- /* search for minimal value */
- average=0;
- for(i=0;i<total_size;i++)
- {
- average+=line[i];
- }
- average/=total_size;
- DBG (DBG_data, "%s: average=%d\n", __func__, average);
-
- /* if min value is above target, the current value becomes the new top
- * else it is the new bottom */
- if(average>target)
- {
- top=(top+bottom)/2;
- }
- else
- {
- bottom=(top+bottom)/2;
- }
- turn++;
- } while ((top-bottom)>1 && turn < 100);
-
- dev->frontend.offset[0]=0;
- dev->frontend.offset[1]=0;
- dev->frontend.offset[2]=0;
- free(line);
- DBG (DBG_info, "%s: offset=(%d,%d,%d)\n", __func__,
- dev->frontend.offset[0],
- dev->frontend.offset[1],
- dev->frontend.offset[2]);
- DBGCOMPLETED;
- return status;
-}
-
-/* this function does the offset calibration by scanning one line of the calibration
- area below scanner's top. There is a black margin and the remaining is white.
- sanei_genesys_search_start() must have been called so that the offsets and margins
- are allready known.
-
-this function expects the slider to be where?
-*/
-GENESYS_STATIC SANE_Status
-gl841_offset_calibration (Genesys_Device * dev)
-{
- int num_pixels;
- int total_size;
- uint8_t *first_line, *second_line;
- int i, j;
- SANE_Status status = SANE_STATUS_GOOD;
- int val;
- int channels;
- int off[3],offh[3],offl[3],off1[3],off2[3];
- int min1[3],min2[3];
- int cmin[3],cmax[3];
- int turn;
- char fn[20];
- SANE_Bool acceptable = SANE_FALSE;
- int mintgt = 0x400;
-
- DBG (DBG_proc, "gl841_offset_calibration\n");
-
- /* Analog Device fronted have a different calibration */
- if ((dev->reg[reg_0x04].value & REG04_FESET) == 0x02)
- {
- return ad_fe_offset_calibration (dev);
- }
-
- /* offset calibration is always done in color mode */
- channels = 3;
-
- status = gl841_init_scan_regs (dev,
- dev->calib_reg,
- dev->settings.xres,
- dev->settings.yres,
- 0,
- 0,
- (dev->sensor.sensor_pixels*dev->settings.xres) / dev->sensor.optical_res,
- 1,
- 16,
- channels,
- dev->settings.color_filter,
- SCAN_FLAG_DISABLE_SHADING |
- SCAN_FLAG_DISABLE_GAMMA |
- SCAN_FLAG_SINGLE_LINE |
- SCAN_FLAG_IGNORE_LINE_DISTANCE |
- SCAN_FLAG_USE_OPTICAL_RES |
- SCAN_FLAG_DISABLE_LAMP
- );
-
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error,
- "gl841_offset_calibration: failed to setup scan: %s\n",
- sane_strstatus (status));
- return status;
- }
-
- num_pixels = dev->current_setup.pixels;
-
- total_size = num_pixels * channels * 2 * 1; /* colors * bytes_per_color * scan lines */
-
- first_line = malloc (total_size);
- if (!first_line)
- return SANE_STATUS_NO_MEM;
-
- second_line = malloc (total_size);
- if (!second_line)
- {
- free (first_line);
- return SANE_STATUS_NO_MEM;
- }
-
- /* scan first line of data with no offset nor gain */
-/*WM8199: gain=0.73; offset=-260mV*/
-/*okay. the sensor black level is now at -260mV. we only get 0 from AFE...*/
-/* we should probably do real calibration here:
- * -detect acceptable offset with binary search
- * -calculate offset from this last version
- *
- * acceptable offset means
- * - few completely black pixels(<10%?)
- * - few completely white pixels(<10%?)
- *
- * final offset should map the minimum not completely black
- * pixel to 0(16 bits)
- *
- * this does account for dummy pixels at the end of ccd
- * this assumes slider is at black strip(which is not quite as black as "no
- * signal").
- *
- */
- dev->frontend.gain[0] = 0x00;
- dev->frontend.gain[1] = 0x00;
- dev->frontend.gain[2] = 0x00;
- offh[0] = 0xff;
- offh[1] = 0xff;
- offh[2] = 0xff;
- offl[0] = 0x00;
- offl[1] = 0x00;
- offl[2] = 0x00;
- turn = 0;
-
- do {
-
- RIEF2 (gl841_bulk_write_register
- (dev, dev->calib_reg, GENESYS_GL841_MAX_REGS), first_line, second_line);
-
- for (j=0; j < channels; j++) {
- off[j] = (offh[j]+offl[j])/2;
- dev->frontend.offset[j] = off[j];
- }
-
- status = gl841_set_fe(dev, AFE_SET);
-
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error,
- "gl841_offset_calibration: failed to setup frontend: %s\n",
- sane_strstatus (status));
- return status;
- }
-
- DBG (DBG_info,
- "gl841_offset_calibration: starting first line reading\n");
- RIEF2 (gl841_begin_scan (dev, dev->calib_reg, SANE_TRUE), first_line, second_line);
-
- RIEF2 (sanei_genesys_read_data_from_scanner (dev, first_line, total_size), first_line, second_line);
-
- if (DBG_LEVEL >= DBG_data) {
- snprintf(fn,20,"offset1_%02d.pnm",turn);
- sanei_genesys_write_pnm_file (fn,
- first_line,
- 16,
- channels,
- num_pixels, 1);
- }
-
- acceptable = SANE_TRUE;
-
- for (j = 0; j < channels; j++)
- {
- cmin[j] = 0;
- cmax[j] = 0;
-
- for (i = 0; i < num_pixels; i++)
- {
- if (dev->model->is_cis)
- val =
- first_line[i * 2 + j * 2 * num_pixels + 1] * 256 +
- first_line[i * 2 + j * 2 * num_pixels];
- else
- val =
- first_line[i * 2 * channels + 2 * j + 1] * 256 +
- first_line[i * 2 * channels + 2 * j];
- if (val < 10)
- cmin[j]++;
- if (val > 65525)
- cmax[j]++;
- }
-
- /* TODO the DP685 has a black strip in the middle of the sensor
- * should be handled in a more elegant way , could be a bug */
- if (dev->model->ccd_type == CCD_DP685)
- cmin[j] -= 20;
-
- if (cmin[j] > num_pixels/100) {
- acceptable = SANE_FALSE;
- if (dev->model->is_cis)
- offl[0] = off[0];
- else
- offl[j] = off[j];
- }
- if (cmax[j] > num_pixels/100) {
- acceptable = SANE_FALSE;
- if (dev->model->is_cis)
- offh[0] = off[0];
- else
- offh[j] = off[j];
- }
- }
-
- DBG(DBG_info,"gl841_offset_calibration: black/white pixels: "
- "%d/%d,%d/%d,%d/%d\n",
- cmin[0],cmax[0],cmin[1],cmax[1],cmin[2],cmax[2]);
-
- if (dev->model->is_cis) {
- offh[2] = offh[1] = offh[0];
- offl[2] = offl[1] = offl[0];
- }
-
- RIEF2 (gl841_stop_action (dev), first_line, second_line);
-
- turn++;
- } while (!acceptable && turn < 100);
-
- DBG(DBG_info,"gl841_offset_calibration: acceptable offsets: %d,%d,%d\n",
- off[0],off[1],off[2]);
-
-
- for (j = 0; j < channels; j++)
- {
- off1[j] = off[j];
-
- min1[j] = 65536;
-
- for (i = 0; i < num_pixels; i++)
- {
- if (dev->model->is_cis)
- val =
- first_line[i * 2 + j * 2 * num_pixels + 1] * 256 +
- first_line[i * 2 + j * 2 * num_pixels];
- else
- val =
- first_line[i * 2 * channels + 2 * j + 1] * 256 +
- first_line[i * 2 * channels + 2 * j];
- if (min1[j] > val && val >= 10)
- min1[j] = val;
- }
- }
-
-
- offl[0] = off[0];
- offl[1] = off[0];
- offl[2] = off[0];
- turn = 0;
-
- do {
-
- for (j=0; j < channels; j++) {
- off[j] = (offh[j]+offl[j])/2;
- dev->frontend.offset[j] = off[j];
- }
-
- status = gl841_set_fe(dev, AFE_SET);
-
- if (status != SANE_STATUS_GOOD)
- {
- free (first_line);
- free (second_line);
- DBG (DBG_error,
- "gl841_offset_calibration: failed to setup frontend: %s\n",
- sane_strstatus (status));
- return status;
- }
-
- DBG (DBG_info,
- "gl841_offset_calibration: starting second line reading\n");
- RIEF2 (gl841_bulk_write_register
- (dev, dev->calib_reg, GENESYS_GL841_MAX_REGS), first_line, second_line);
- RIEF2 (gl841_begin_scan (dev, dev->calib_reg, SANE_TRUE), first_line, second_line);
- RIEF2 (sanei_genesys_read_data_from_scanner (dev, second_line, total_size), first_line, second_line);
-
- if (DBG_LEVEL >= DBG_data) {
- snprintf(fn,20,"offset2_%02d.pnm",turn);
- sanei_genesys_write_pnm_file (fn,
- second_line,
- 16,
- channels,
- num_pixels, 1);
- }
-
- acceptable = SANE_TRUE;
-
- for (j = 0; j < channels; j++)
- {
- cmin[j] = 0;
- cmax[j] = 0;
-
- for (i = 0; i < num_pixels; i++)
- {
- if (dev->model->is_cis)
- val =
- second_line[i * 2 + j * 2 * num_pixels + 1] * 256 +
- second_line[i * 2 + j * 2 * num_pixels];
- else
- val =
- second_line[i * 2 * channels + 2 * j + 1] * 256 +
- second_line[i * 2 * channels + 2 * j];
- if (val < 10)
- cmin[j]++;
- if (val > 65525)
- cmax[j]++;
- }
-
- if (cmin[j] > num_pixels/100) {
- acceptable = SANE_FALSE;
- if (dev->model->is_cis)
- offl[0] = off[0];
- else
- offl[j] = off[j];
- }
- if (cmax[j] > num_pixels/100) {
- acceptable = SANE_FALSE;
- if (dev->model->is_cis)
- offh[0] = off[0];
- else
- offh[j] = off[j];
- }
- }
-
- DBG(DBG_info,"gl841_offset_calibration: black/white pixels: "
- "%d/%d,%d/%d,%d/%d\n",
- cmin[0],cmax[0],cmin[1],cmax[1],cmin[2],cmax[2]);
-
- if (dev->model->is_cis) {
- offh[2] = offh[1] = offh[0];
- offl[2] = offl[1] = offl[0];
- }
-
- RIEF2 (gl841_stop_action (dev), first_line, second_line);
-
- turn++;
-
- } while (!acceptable && turn < 100);
-
- DBG(DBG_info,"gl841_offset_calibration: acceptable offsets: %d,%d,%d\n",
- off[0],off[1],off[2]);
-
-
- for (j = 0; j < channels; j++)
- {
- off2[j] = off[j];
-
- min2[j] = 65536;
-
- for (i = 0; i < num_pixels; i++)
- {
- if (dev->model->is_cis)
- val =
- second_line[i * 2 + j * 2 * num_pixels + 1] * 256 +
- second_line[i * 2 + j * 2 * num_pixels];
- else
- val =
- second_line[i * 2 * channels + 2 * j + 1] * 256 +
- second_line[i * 2 * channels + 2 * j];
- if (min2[j] > val && val != 0)
- min2[j] = val;
- }
- }
-
- DBG(DBG_info,"gl841_offset_calibration: first set: %d/%d,%d/%d,%d/%d\n",
- off1[0],min1[0],off1[1],min1[1],off1[2],min1[2]);
-
- DBG(DBG_info,"gl841_offset_calibration: second set: %d/%d,%d/%d,%d/%d\n",
- off2[0],min2[0],off2[1],min2[1],off2[2],min2[2]);
-
-/*
- calculate offset for each channel
- based on minimal pixel value min1 at offset off1 and minimal pixel value min2
- at offset off2
-
- to get min at off, values are linearly interpolated:
- min=real+off*fact
- min1=real+off1*fact
- min2=real+off2*fact
-
- fact=(min1-min2)/(off1-off2)
- real=min1-off1*(min1-min2)/(off1-off2)
-
- off=(min-min1+off1*(min1-min2)/(off1-off2))/((min1-min2)/(off1-off2))
-
- off=(min*(off1-off2)+min1*off2-off1*min2)/(min1-min2)
-
- */
- for (j = 0; j < channels; j++)
- {
- if (min2[j]-min1[j] == 0) {
-/*TODO: try to avoid this*/
- DBG(DBG_warn,"gl841_offset_calibration: difference too small\n");
- if (mintgt * (off1[j] - off2[j]) + min1[j] * off2[j] - min2[j] * off1[j] >= 0)
- off[j] = 0x0000;
- else
- off[j] = 0xffff;
- } else
- off[j] = (mintgt * (off1[j] - off2[j]) + min1[j] * off2[j] - min2[j] * off1[j])/(min1[j]-min2[j]);
- if (off[j] > 255)
- off[j] = 255;
- if (off[j] < 0)
- off[j] = 0;
- dev->frontend.offset[j] = off[j];
- }
-
- DBG(DBG_info,"gl841_offset_calibration: final offsets: %d,%d,%d\n",
- off[0],off[1],off[2]);
-
- if (dev->model->is_cis) {
- if (off[0] < off[1])
- off[0] = off[1];
- if (off[0] < off[2])
- off[0] = off[2];
- dev->frontend.offset[0] = off[0];
- dev->frontend.offset[1] = off[0];
- dev->frontend.offset[2] = off[0];
- }
-
- if (channels == 1)
- {
- dev->frontend.offset[1] = dev->frontend.offset[0];
- dev->frontend.offset[2] = dev->frontend.offset[0];
- }
-
- /* cleanup before return */
- free (first_line);
- free (second_line);
- DBG (DBG_proc, "gl841_offset_calibration: completed\n");
- return status;
-}
-
-
-/* alternative coarse gain calibration
- this on uses the settings from offset_calibration and
- uses only one scanline
- */
-/*
- with offset and coarse calibration we only want to get our input range into
- a reasonable shape. the fine calibration of the upper and lower bounds will
- be done with shading.
- */
-GENESYS_STATIC SANE_Status
-gl841_coarse_gain_calibration (Genesys_Device * dev, int dpi)
-{
- int num_pixels;
- int total_size;
- uint8_t *line;
- int i, j, channels;
- SANE_Status status = SANE_STATUS_GOOD;
- int max[3];
- float gain[3];
- int val;
- int lines=1;
- int move;
-
- DBG (DBG_proc, "%s: dpi=%d\n", __func__, dpi);
-
- /* feed to white strip if needed */
- if (dev->model->y_offset_calib>0)
- {
- move = SANE_UNFIX (dev->model->y_offset_calib);
- move = (move * (dev->motor.base_ydpi)) / MM_PER_INCH;
- DBG (DBG_io, "%s: move=%d lines\n", __func__, move);
- status = gl841_feed(dev, move);
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error, "%s: failed to feed: %s\n", __func__,
- sane_strstatus (status));
- return status;
- }
- }
-
- /* coarse gain calibration is allways done in color mode */
- channels = 3;
-
- status = gl841_init_scan_regs (dev,
- dev->calib_reg,
- dev->settings.xres,
- dev->settings.yres,
- 0,
- 0,
- (dev->sensor.sensor_pixels*dev->settings.xres) / dev->sensor.optical_res,
- lines,
- 16,
- channels,
- dev->settings.color_filter,
- SCAN_FLAG_DISABLE_SHADING |
- SCAN_FLAG_DISABLE_GAMMA |
- SCAN_FLAG_SINGLE_LINE |
- SCAN_FLAG_IGNORE_LINE_DISTANCE |
- SCAN_FLAG_USE_OPTICAL_RES
- );
-
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error, "%s: failed to setup scan: %s\n", __func__,
- sane_strstatus (status));
- return status;
- }
-
- RIE (gl841_bulk_write_register (dev, dev->calib_reg, GENESYS_GL841_MAX_REGS));
-
- num_pixels = dev->current_setup.pixels;
-
- total_size = num_pixels * channels * 2 * lines; /* colors * bytes_per_color * scan lines */
-
- line = malloc (total_size);
- if (!line)
- return SANE_STATUS_NO_MEM;
-
- RIEF (gl841_begin_scan (dev, dev->calib_reg, SANE_TRUE), line);
- RIEF (sanei_genesys_read_data_from_scanner (dev, line, total_size), line);
-
- if (DBG_LEVEL >= DBG_data)
- sanei_genesys_write_pnm_file ("coarse.pnm", line, 16, channels, num_pixels, lines);
-
- /* average high level for each channel and compute gain
- to reach the target code
- we only use the central half of the CCD data */
- for (j = 0; j < channels; j++)
- {
- max[j] = 0;
- for (i = 0; i < num_pixels; i++)
- {
- if (dev->model->is_cis)
- val =
- line[i * 2 + j * 2 * num_pixels + 1] * 256 +
- line[i * 2 + j * 2 * num_pixels];
- else
- val =
- line[i * 2 * channels + 2 * j + 1] * 256 +
- line[i * 2 * channels + 2 * j];
-
- if (val > max[j])
- max[j] = val;
- }
-
- gain[j] = 65535.0/max[j];
-
- if (dev->model->dac_type == DAC_CANONLIDE35 ||
- dev->model->dac_type == DAC_WOLFSON_XP300 ||
- dev->model->dac_type == DAC_WOLFSON_DSM600)
- {
- gain[j] *= 0.69;/*seems we don't get the real maximum. empirically derived*/
- if (283 - 208/gain[j] > 255)
- dev->frontend.gain[j] = 255;
- else if (283 - 208/gain[j] < 0)
- dev->frontend.gain[j] = 0;
- else
- dev->frontend.gain[j] = 283 - 208/gain[j];
- }
- else if (dev->model->dac_type == DAC_CANONLIDE80)
- {
- dev->frontend.gain[j] = gain[j]*12;
- }
-
- DBG (DBG_proc, "%s: channel %d, max=%d, gain = %f, setting:%d\n", __func__,
- j, max[j], gain[j],dev->frontend.gain[j]);
- }
-
- for (j = 0; j < channels; j++)
- {
- if(gain[j] > 10)
- {
- DBG (DBG_error0, "**********************************************\n");
- DBG (DBG_error0, "**********************************************\n");
- DBG (DBG_error0, "**** ****\n");
- DBG (DBG_error0, "**** Extremely low Brightness detected. ****\n");
- DBG (DBG_error0, "**** Check the scanning head is ****\n");
- DBG (DBG_error0, "**** unlocked and moving. ****\n");
- DBG (DBG_error0, "**** ****\n");
- DBG (DBG_error0, "**********************************************\n");
- DBG (DBG_error0, "**********************************************\n");
-#ifdef SANE_STATUS_HW_LOCKED
- return SANE_STATUS_HW_LOCKED;
-#else
- return SANE_STATUS_JAMMED;
-#endif
- }
-
- }
-
- if (dev->model->is_cis) {
- if (dev->frontend.gain[0] > dev->frontend.gain[1])
- dev->frontend.gain[0] = dev->frontend.gain[1];
- if (dev->frontend.gain[0] > dev->frontend.gain[2])
- dev->frontend.gain[0] = dev->frontend.gain[2];
- dev->frontend.gain[2] = dev->frontend.gain[1] = dev->frontend.gain[0];
- }
-
- if (channels == 1)
- {
- dev->frontend.gain[0] = dev->frontend.gain[1];
- dev->frontend.gain[2] = dev->frontend.gain[1];
- }
-
- free (line);
- DBG (DBG_info, "%s: gain=(%d,%d,%d)\n", __func__,
- dev->frontend.gain[0],
- dev->frontend.gain[1],
- dev->frontend.gain[2]);
-
- RIE (gl841_stop_action (dev));
-
- gl841_slow_back_home(dev, SANE_TRUE);
-
- DBGCOMPLETED;
- return status;
-}
-
-/*
- * wait for lamp warmup by scanning the same line until difference
- * between 2 scans is below a threshold
- */
-static SANE_Status
-gl841_init_regs_for_warmup (Genesys_Device * dev,
- Genesys_Register_Set * local_reg,
- int *channels, int *total_size)
-{
- int num_pixels = (int) (4 * 300);
- SANE_Status status = SANE_STATUS_GOOD;
-
- DBG (DBG_proc, "sanei_gl841_warmup_lamp\n");
-
- memcpy (local_reg, dev->reg, (GENESYS_GL841_MAX_REGS + 1) * sizeof (Genesys_Register_Set));
-
-/* okay.. these should be defaults stored somewhere */
- dev->frontend.gain[0] = 0x00;
- dev->frontend.gain[1] = 0x00;
- dev->frontend.gain[2] = 0x00;
- dev->frontend.offset[0] = 0x80;
- dev->frontend.offset[1] = 0x80;
- dev->frontend.offset[2] = 0x80;
-
- status = gl841_init_scan_regs (dev,
- local_reg,
- dev->sensor.optical_res,
- dev->settings.yres,
- dev->sensor.dummy_pixel,
- 0,
- num_pixels,
- 1,
- 16,
- *channels,
- dev->settings.color_filter,
- SCAN_FLAG_DISABLE_SHADING |
- SCAN_FLAG_DISABLE_GAMMA |
- SCAN_FLAG_SINGLE_LINE |
- SCAN_FLAG_IGNORE_LINE_DISTANCE |
- SCAN_FLAG_USE_OPTICAL_RES
- );
-
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error,
- "gl841_init_regs_for_warmup: failed to setup scan: %s\n",
- sane_strstatus (status));
- return status;
- }
-
- num_pixels = dev->current_setup.pixels;
-
- *total_size = num_pixels * 3 * 2 * 1; /* colors * bytes_per_color * scan lines */
-
- RIE (gl841_bulk_write_register
- (dev, local_reg, GENESYS_GL841_MAX_REGS));
-
- return status;
-}
-
-
-/*
- * this function moves head without scanning, forward, then backward
- * so that the head goes to park position.
- * as a by-product, also check for lock
- */
-#ifndef UNIT_TESTING
-static
-#endif
-SANE_Status
-sanei_gl841_repark_head (Genesys_Device * dev)
-{
- SANE_Status status;
-
- DBG (DBG_proc, "sanei_gl841_repark_head\n");
-
- status = gl841_feed(dev,232);
-
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error,
- "gl841_repark_head: failed to feed: %s\n",
- sane_strstatus (status));
- return status;
- }
-
- /* toggle motor flag, put an huge step number and redo move backward */
- status = gl841_slow_back_home (dev, SANE_TRUE);
- DBG (DBG_proc, "gl841_park_head: completed\n");
- return status;
-}
-
-static SANE_Status
-gl841_is_compatible_calibration (Genesys_Device * dev,
- Genesys_Calibration_Cache *cache,
- int for_overwrite)
-{
- SANE_Status status;
-#ifdef HAVE_SYS_TIME_H
- struct timeval time;
-#endif
-
- DBGSTART;
-
- /* calibration cache not working yet for this model */
- if (dev->model->ccd_type == CCD_PLUSTEK_3600)
- {
- return SANE_STATUS_UNSUPPORTED;
- }
-
- status = gl841_calculate_current_setup (dev);
-
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error,
- "gl841_is_compatible_calibration: failed to calculate current setup: %s\n",
- sane_strstatus (status));
- return status;
- }
-
- DBG (DBG_proc, "gl841_is_compatible_calibration: checking\n");
-
- if (dev->current_setup.half_ccd != cache->used_setup.half_ccd)
- return SANE_STATUS_UNSUPPORTED;
-
- /* a cache entry expires after 30 minutes for non sheetfed scanners */
- /* this is not taken into account when overwriting cache entries */
-#ifdef HAVE_SYS_TIME_H
- if(for_overwrite == SANE_FALSE)
- {
- gettimeofday (&time, NULL);
- if ((time.tv_sec - cache->last_calibration > 30 * 60)
- && (dev->model->is_sheetfed == SANE_FALSE))
- {
- DBG (DBG_proc, "%s: expired entry, non compatible cache\n",__func__);
- return SANE_STATUS_UNSUPPORTED;
- }
- }
-#endif
-
- DBGCOMPLETED;
- return SANE_STATUS_GOOD;
-}
-
-/*
- * initialize ASIC : registers, motor tables, and gamma tables
- * then ensure scanner's head is at home
- */
-static SANE_Status
-gl841_init (Genesys_Device * dev)
-{
- SANE_Status status;
- uint8_t val;
- size_t size;
- uint8_t *line;
- int i;
-
- DBG_INIT ();
- DBGSTART;
-
- dev->scanhead_position_in_steps = 0;
-
- /* Check if the device has already been initialized and powered up */
- if (dev->already_initialized)
- {
- RIE (sanei_genesys_get_status (dev, &val));
- if (val & REG41_PWRBIT)
- {
- DBG (DBG_info, "gl841_init: already initialized\n");
- DBGCOMPLETED;
- return SANE_STATUS_GOOD;
- }
- }
-
- dev->dark_average_data = NULL;
- dev->white_average_data = NULL;
-
- dev->settings.color_filter = 0;
-
- /* ASIC reset */
- RIE (sanei_genesys_write_register (dev, 0x0e, 0x01));
- RIE (sanei_genesys_write_register (dev, 0x0e, 0x00));
-
- /* Set default values for registers */
- gl841_init_registers (dev);
-
- /* Write initial registers */
- RIE (gl841_bulk_write_register (dev, dev->reg, GENESYS_GL841_MAX_REGS));
-
- /* Test ASIC and RAM */
- if (!(dev->model->flags & GENESYS_FLAG_LAZY_INIT))
- {
- RIE (sanei_gl841_asic_test (dev));
- }
-
- /* Set analog frontend */
- RIE (gl841_set_fe (dev, AFE_INIT));
-
- /* Move home */
- RIE (gl841_slow_back_home (dev, SANE_TRUE));
-
- /* Init shading data */
- RIE (sanei_genesys_init_shading_data (dev, dev->sensor.sensor_pixels));
-
- /* ensure head is correctly parked, and check lock */
- if (dev->model->flags & GENESYS_FLAG_REPARK)
- {
- status = sanei_gl841_repark_head (dev);
- if (status != SANE_STATUS_GOOD)
- {
- if (status == SANE_STATUS_INVAL)
- DBG (DBG_error0,
- "Your scanner is locked. Please move the lock switch "
- "to the unlocked position\n");
- else
- DBG (DBG_error,
- "gl841_init: sanei_gl841_repark_head failed: %s\n",
- sane_strstatus (status));
- return status;
- }
- }
-
- /* initalize sensor gamma tables */
- size = 256;
-
- for(i=0;i<3;i++)
- {
- if (dev->sensor.gamma_table[i] == NULL)
- {
- dev->sensor.gamma_table[i] = (uint16_t *) malloc (2 * size);
- if (dev->sensor.gamma_table[i] == NULL)
- {
- DBG (DBG_error,
- "gl841_init: could not allocate memory for gamma table %d\n",i);
- return SANE_STATUS_NO_MEM;
- }
- sanei_genesys_create_gamma_table (dev->sensor.gamma_table[i],
- size,
- 65535,
- 65535,
- dev->sensor.gamma[i]);
- }
- }
-
- /* send gamma tables */
- status = gl841_send_gamma_table (dev);
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error,
- "gl841_init: failed to send initial gamma tables: %s\n",
- sane_strstatus (status));
- return status;
- }
-
- /* initial calibration reg values */
- memcpy (dev->calib_reg, dev->reg, (GENESYS_GL841_MAX_REGS + 1) * sizeof (Genesys_Register_Set));
-
- status = gl841_init_scan_regs (dev,
- dev->calib_reg,
- 300,
- 300,
- 0,
- 0,
- (16 * 300) / dev->sensor.optical_res,
- 1,
- 16,
- 3,
- 0,
- SCAN_FLAG_DISABLE_SHADING |
- SCAN_FLAG_DISABLE_GAMMA |
- SCAN_FLAG_SINGLE_LINE |
- SCAN_FLAG_IGNORE_LINE_DISTANCE |
- SCAN_FLAG_USE_OPTICAL_RES
- );
-
- RIE (gl841_bulk_write_register
- (dev, dev->calib_reg, GENESYS_GL841_MAX_REGS));
-
- size = dev->current_setup.pixels * 3 * 2 * 1; /* colors * bytes_per_color * scan lines */
-
- line = malloc (size);
- if (!line)
- return SANE_STATUS_NO_MEM;
-
- DBG (DBG_info,
- "gl841_init: starting dummy data reading\n");
- RIEF (gl841_begin_scan (dev, dev->calib_reg, SANE_TRUE), line);
-
- sanei_usb_set_timeout(1000);/* 1 second*/
-
-/*ignore errors. next read will succeed*/
- sanei_genesys_read_data_from_scanner (dev, line, size);
- free(line);
-
- sanei_usb_set_timeout(30 * 1000);/* 30 seconds*/
-
- RIE (gl841_end_scan (dev, dev->calib_reg, SANE_TRUE));
-
-
- memcpy (dev->calib_reg, dev->reg, (GENESYS_GL841_MAX_REGS + 1) * sizeof (Genesys_Register_Set));
-
- /* Set powersaving (default = 15 minutes) */
- RIE (gl841_set_powersaving (dev, 15));
- dev->already_initialized = SANE_TRUE;
-
- DBGCOMPLETED;
- return SANE_STATUS_GOOD;
-}
-
-static SANE_Status
-gl841_update_hardware_sensors (Genesys_Scanner * s)
-{
- /* do what is needed to get a new set of events, but try to not lose
- any of them.
- */
- SANE_Status status = SANE_STATUS_GOOD;
- uint8_t val;
-
- if (s->dev->model->gpo_type == GPO_CANONLIDE35
- || s->dev->model->gpo_type == GPO_CANONLIDE80)
- {
- RIE(sanei_genesys_read_register(s->dev, REG6D, &val));
-
- if (s->val[OPT_SCAN_SW].b == s->last_val[OPT_SCAN_SW].b)
- s->val[OPT_SCAN_SW].b = (val & 0x01) == 0;
- if (s->val[OPT_FILE_SW].b == s->last_val[OPT_FILE_SW].b)
- s->val[OPT_FILE_SW].b = (val & 0x02) == 0;
- if (s->val[OPT_EMAIL_SW].b == s->last_val[OPT_EMAIL_SW].b)
- s->val[OPT_EMAIL_SW].b = (val & 0x04) == 0;
- if (s->val[OPT_COPY_SW].b == s->last_val[OPT_COPY_SW].b)
- s->val[OPT_COPY_SW].b = (val & 0x08) == 0;
- }
-
- if (s->dev->model->gpo_type == GPO_XP300 ||
- s->dev->model->gpo_type == GPO_DP665 ||
- s->dev->model->gpo_type == GPO_DP685)
- {
- RIE(sanei_genesys_read_register(s->dev, REG6D, &val));
-
- if (s->val[OPT_PAGE_LOADED_SW].b == s->last_val[OPT_PAGE_LOADED_SW].b)
- s->val[OPT_PAGE_LOADED_SW].b = (val & 0x01) == 0;
- if (s->val[OPT_SCAN_SW].b == s->last_val[OPT_SCAN_SW].b)
- s->val[OPT_SCAN_SW].b = (val & 0x02) == 0;
- }
-
- return status;
-}
-
-/** @brief search for a full width black or white strip.
- * This function searches for a black or white stripe across the scanning area.
- * When searching backward, the searched area must completely be of the desired
- * color since this area will be used for calibration which scans forward.
- * @param dev scanner device
- * @param forward SANE_TRUE if searching forward, SANE_FALSE if searching backward
- * @param black SANE_TRUE if searching for a black strip, SANE_FALSE for a white strip
- * @return SANE_STATUS_GOOD if a matching strip is found, SANE_STATUS_UNSUPPORTED if not
- */
-static SANE_Status
-gl841_search_strip (Genesys_Device * dev, SANE_Bool forward, SANE_Bool black)
-{
- unsigned int pixels, lines, channels;
- SANE_Status status;
- Genesys_Register_Set local_reg[GENESYS_GL841_MAX_REGS + 1];
- size_t size;
- uint8_t *data;
- int steps, depth, dpi;
- unsigned int pass, count, found, x, y, length;
- char title[80];
- Genesys_Register_Set *r;
- uint8_t white_level=90; /**< default white level to detect white dots */
- uint8_t black_level=60; /**< default black level to detect black dots */
-
- DBG (DBG_proc, "gl841_search_strip %s %s\n", black ? "black" : "white",
- forward ? "forward" : "reverse");
-
- /* use maximum gain when doing forward white strip detection
- * since we don't have calibrated the sensor yet */
- if(!black && forward)
- {
- dev->frontend.gain[0] = 0xff;
- dev->frontend.gain[1] = 0xff;
- dev->frontend.gain[2] = 0xff;
- }
-
- gl841_set_fe (dev, AFE_SET);
- status = gl841_stop_action (dev);
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error,
- "gl841_search_strip: failed to stop: %s\n",
- sane_strstatus (status));
- return status;
- }
-
- /* set up for a gray scan at lowest dpi */
- dpi = 9600;
- for (x = 0; x < MAX_RESOLUTIONS; x++)
- {
- if (dev->model->xdpi_values[x] > 0 && dev->model->xdpi_values[x] < dpi)
- dpi = dev->model->xdpi_values[x];
- }
- channels = 1;
-
- /* shading calibation is done with dev->motor.base_ydpi */
- /* lines = (dev->model->shading_lines * dpi) / dev->motor.base_ydpi; */
- lines = (10*dpi)/MM_PER_INCH;
-
- depth = 8;
- pixels = (dev->sensor.sensor_pixels * dpi) / dev->sensor.optical_res;
- size = pixels * channels * lines * (depth / 8);
- data = malloc (size);
- if (!data)
- {
- DBG (DBG_error, "gl841_search_strip: failed to allocate memory\n");
- return SANE_STATUS_NO_MEM;
- }
-
- /* 20 cm max length for calibration sheet */
- length = ((200 * dpi) / MM_PER_INCH)/lines;
-
- dev->scanhead_position_in_steps = 0;
-
- memcpy (local_reg, dev->reg,
- (GENESYS_GL841_MAX_REGS + 1) * sizeof (Genesys_Register_Set));
-
- status = gl841_init_scan_regs (dev,
- local_reg,
- dpi,
- dpi,
- 0,
- 0,
- pixels,
- lines,
- depth,
- channels,
- 0,
- SCAN_FLAG_DISABLE_SHADING | SCAN_FLAG_DISABLE_GAMMA);
- if (status != SANE_STATUS_GOOD)
- {
- free(data);
- DBG (DBG_error, "%s: failed to setup for scan: %s\n", __func__,
- sane_strstatus (status));
- return status;
- }
-
- /* set up for reverse or forward */
- r = sanei_genesys_get_address (local_reg, 0x02);
- if (forward)
- r->value &= ~4;
- else
- r->value |= 4;
-
-
- status = gl841_bulk_write_register (dev, local_reg, GENESYS_GL841_MAX_REGS);
- if (status != SANE_STATUS_GOOD)
- {
- free(data);
- DBG (DBG_error,
- "gl841_search_strip: failed to bulk write registers: %s\n",
- sane_strstatus (status));
- return status;
- }
-
- status = gl841_begin_scan (dev, local_reg, SANE_TRUE);
- if (status != SANE_STATUS_GOOD)
- {
- free (data);
- DBG (DBG_error,
- "gl841_search_strip: failed to begin scan: %s\n",
- sane_strstatus (status));
- return status;
- }
-
- /* waits for valid data */
- do
- sanei_genesys_test_buffer_empty (dev, &steps);
- while (steps);
-
- /* now we're on target, we can read data */
- status = sanei_genesys_read_data_from_scanner (dev, data, size);
- if (status != SANE_STATUS_GOOD)
- {
- free (data);
- DBG (DBG_error,
- "gl841_search_start_position: failed to read data: %s\n",
- sane_strstatus (status));
- return status;
- }
-
- status = gl841_stop_action (dev);
- if (status != SANE_STATUS_GOOD)
- {
- free (data);
- DBG (DBG_error, "gl841_search_strip: gl841_stop_action failed\n");
- return status;
- }
-
- pass = 0;
- if (DBG_LEVEL >= DBG_data)
- {
- sprintf (title, "search_strip_%s_%s%02u.pnm", black ? "black" : "white",
- forward ? "fwd" : "bwd", pass);
- sanei_genesys_write_pnm_file (title, data, depth, channels, pixels,
- lines);
- }
-
- /* loop until strip is found or maximum pass number done */
- found = 0;
- while (pass < length && !found)
- {
- status =
- gl841_bulk_write_register (dev, local_reg, GENESYS_GL841_MAX_REGS);
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error,
- "gl841_search_strip: failed to bulk write registers: %s\n",
- sane_strstatus (status));
- return status;
- }
-
- /* now start scan */
- status = gl841_begin_scan (dev, local_reg, SANE_TRUE);
- if (status != SANE_STATUS_GOOD)
- {
- free (data);
- DBG (DBG_error,
- "gl841_search_strip: failed to begin scan: %s\n",
- sane_strstatus (status));
- return status;
- }
-
- /* waits for valid data */
- do
- sanei_genesys_test_buffer_empty (dev, &steps);
- while (steps);
-
- /* now we're on target, we can read data */
- status = sanei_genesys_read_data_from_scanner (dev, data, size);
- if (status != SANE_STATUS_GOOD)
- {
- free (data);
- DBG (DBG_error,
- "gl841_search_start_position: failed to read data: %s\n",
- sane_strstatus (status));
- return status;
- }
-
- status = gl841_stop_action (dev);
- if (status != SANE_STATUS_GOOD)
- {
- free (data);
- DBG (DBG_error, "gl841_search_strip: gl841_stop_action failed\n");
- return status;
- }
-
- if (DBG_LEVEL >= DBG_data)
- {
- sprintf (title, "search_strip_%s_%s%02u.pnm",
- black ? "black" : "white", forward ? "fwd" : "bwd", pass);
- sanei_genesys_write_pnm_file (title, data, depth, channels, pixels,
- lines);
- }
-
- /* search data to find black strip */
- /* when searching forward, we only need one line of the searched color since we
- * will scan forward. But when doing backward search, we need all the area of the
- * same color */
- if (forward)
- {
- for (y = 0; y < lines && !found; y++)
- {
- count = 0;
- /* count of white/black pixels depending on the color searched */
- for (x = 0; x < pixels; x++)
- {
- /* when searching for black, detect white pixels */
- if (black && data[y * pixels + x] > white_level)
- {
- count++;
- }
- /* when searching for white, detect black pixels */
- if (!black && data[y * pixels + x] < black_level)
- {
- count++;
- }
- }
-
- /* at end of line, if count >= 3%, line is not fully of the desired color
- * so we must go to next line of the buffer */
- /* count*100/pixels < 3 */
- if ((count * 100) / pixels < 3)
- {
- found = 1;
- DBG (DBG_data,
- "gl841_search_strip: strip found forward during pass %d at line %d\n",
- pass, y);
- }
- else
- {
- DBG (DBG_data,
- "gl841_search_strip: pixels=%d, count=%d (%d%%)\n",
- pixels, count, (100 * count) / pixels);
- }
- }
- }
- else /* since calibration scans are done forward, we need the whole area
- to be of the required color when searching backward */
- {
- count = 0;
- for (y = 0; y < lines; y++)
- {
- /* count of white/black pixels depending on the color searched */
- for (x = 0; x < pixels; x++)
- {
- /* when searching for black, detect white pixels */
- if (black && data[y * pixels + x] > white_level)
- {
- count++;
- }
- /* when searching for white, detect black pixels */
- if (!black && data[y * pixels + x] < black_level)
- {
- count++;
- }
- }
- }
-
- /* at end of area, if count >= 3%, area is not fully of the desired color
- * so we must go to next buffer */
- if ((count * 100) / (pixels * lines) < 3)
- {
- found = 1;
- DBG (DBG_data,
- "gl841_search_strip: strip found backward during pass %d \n",
- pass);
- }
- else
- {
- DBG (DBG_data,
- "gl841_search_strip: pixels=%d, count=%d (%d%%)\n", pixels,
- count, (100 * count) / pixels);
- }
- }
- pass++;
- }
- free (data);
- if (found)
- {
- status = SANE_STATUS_GOOD;
- DBG (DBG_info, "gl841_search_strip: %s strip found\n",
- black ? "black" : "white");
- }
- else
- {
- status = SANE_STATUS_UNSUPPORTED;
- DBG (DBG_info, "gl841_search_strip: %s strip not found\n",
- black ? "black" : "white");
- }
-
- DBG (DBG_proc, "gl841_search_strip: completed\n");
- return status;
-}
-
-/**
- * Send shading calibration data. The buffer is considered to always hold values
- * for all the channels.
- */
-GENESYS_STATIC
-SANE_Status
-gl841_send_shading_data (Genesys_Device * dev, uint8_t * data, int size)
-{
- SANE_Status status = SANE_STATUS_GOOD;
- uint32_t length, x, factor, pixels, i;
- uint32_t half;
- uint32_t lines, channels;
- uint16_t dpiset, dpihw, strpixel ,endpixel, beginpixel;
- uint8_t *buffer,*ptr,*src;
-
- DBGSTART;
- DBG( DBG_io2, "%s: writing %d bytes of shading data\n",__func__,size);
-
- /* old method if no SHDAREA */
- if((dev->reg[reg_0x01].value & REG01_SHDAREA) == 0)
- {
- /* start address */
- status = sanei_genesys_set_buffer_address (dev, 0x0000);
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error, "%s: failed to set buffer address: %s\n", __func__,
- sane_strstatus (status));
- return status;
- }
-
- /* shading data whole line */
- status = dev->model->cmd_set->bulk_write_data (dev, 0x3c, data, size);
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error, "%s: failed to send shading table: %s\n", __func__,
- sane_strstatus (status));
- return status;
- }
- DBGCOMPLETED;
- return status;
- }
-
- /* data is whole line, we extract only the part for the scanned area */
- length = (uint32_t) (size / 3);
- sanei_genesys_get_double(dev->reg,REG_STRPIXEL,&strpixel);
- sanei_genesys_get_double(dev->reg,REG_ENDPIXEL,&endpixel);
- DBG( DBG_io2, "%s: STRPIXEL=%d, ENDPIXEL=%d, PIXELS=%d\n",__func__,strpixel,endpixel,endpixel-strpixel);
-
- /* compute deletion/average factor */
- sanei_genesys_get_double(dev->reg,REG_DPISET,&dpiset);
- dpihw = gl841_get_dpihw(dev);
- half=dev->current_setup.half_ccd+1;
- factor=dpihw/dpiset;
- DBG( DBG_io2, "%s: dpihw=%d, dpiset=%d, half_ccd=%d, factor=%d\n",__func__,dpihw,dpiset,half-1,factor);
-
- /* binary data logging */
- if(DBG_LEVEL>=DBG_data)
- {
- dev->binary=fopen("binary.pnm","wb");
- sanei_genesys_get_triple(dev->reg, REG_LINCNT, &lines);
- channels=dev->current_setup.channels;
- if(dev->binary!=NULL)
- {
- fprintf(dev->binary,"P5\n%d %d\n%d\n",(endpixel-strpixel)/factor*channels,lines/channels,255);
- }
- }
-
- /* turn pixel value into bytes 2x16 bits words */
- strpixel*=2*2; /* 2 words of 2 bytes */
- endpixel*=2*2;
- pixels=endpixel-strpixel;
-
- /* shading pixel begin is start pixel minus start pixel during shading
- * calibration. Currently only cases handled are full and half ccd resolution.
- */
- beginpixel = dev->sensor.CCD_start_xoffset / half;
- beginpixel += dev->sensor.dummy_pixel + 1;
- DBG(DBG_io2, "%s: ORIGIN PIXEL=%d\n", __func__, beginpixel);
- beginpixel = (strpixel-beginpixel*2*2)/factor;
- DBG(DBG_io2, "%s: BEGIN PIXEL=%d\n",__func__,beginpixel/4);
-
- DBG(DBG_io2, "%s: using chunks of %d bytes (%d shading data pixels)\n",__func__,length, length/4);
- buffer=(uint8_t *)malloc(pixels);
- memset(buffer,0,pixels);
-
- /* write actual shading data contigously
- * channel by channel, starting at addr 0x0000
- * */
- for(i=0;i<3;i++)
- {
- /* copy data to work buffer and process it */
- /* coefficent destination */
- ptr=buffer;
-
- /* iterate on both sensor segment, data has been averaged,
- * so is in the right order and we only have to copy it */
- for(x=0;x<pixels;x+=4)
- {
- /* coefficient source */
- src=data+x+beginpixel+i*length;
- ptr[0]=src[0];
- ptr[1]=src[1];
- ptr[2]=src[2];
- ptr[3]=src[3];
-
- /* next shading coefficient */
- ptr+=4;
- }
-
- /* 0x5400 alignment for LIDE80 internal memory */
- RIEF(sanei_genesys_set_buffer_address (dev, 0x5400*i), buffer);
- RIEF(dev->model->cmd_set->bulk_write_data (dev, 0x3c, buffer, pixels), buffer);
- }
-
- free(buffer);
- DBGCOMPLETED;
-
- return status;
-}
-
-
-/** the gl841 command set */
-static Genesys_Command_Set gl841_cmd_set = {
- "gl841-generic", /* the name of this set */
-
- gl841_init,
- gl841_init_regs_for_warmup,
- gl841_init_regs_for_coarse_calibration,
- gl841_init_regs_for_shading,
- gl841_init_regs_for_scan,
-
- gl841_get_filter_bit,
- gl841_get_lineart_bit,
- gl841_get_bitset_bit,
- gl841_get_gain4_bit,
- gl841_get_fast_feed_bit,
- gl841_test_buffer_empty_bit,
- gl841_test_motor_flag_bit,
-
- gl841_bulk_full_size,
-
- gl841_set_fe,
- gl841_set_powersaving,
- gl841_save_power,
-
- gl841_set_motor_power,
- gl841_set_lamp_power,
-
- gl841_begin_scan,
- gl841_end_scan,
-
- gl841_send_gamma_table,
-
- gl841_search_start_position,
-
- gl841_offset_calibration,
- gl841_coarse_gain_calibration,
- gl841_led_calibration,
-
- gl841_slow_back_home,
- NULL,
-
- gl841_bulk_write_register,
- gl841_bulk_write_data,
- gl841_bulk_read_data,
-
- gl841_update_hardware_sensors,
-
- gl841_load_document,
- gl841_detect_document_end,
- gl841_eject_document,
- gl841_search_strip,
-
- gl841_is_compatible_calibration,
- NULL,
- gl841_send_shading_data,
- gl841_calculate_current_setup,
- NULL,
- NULL
-};
-
-SANE_Status
-sanei_gl841_init_cmd_set (Genesys_Device * dev)
-{
- dev->model->cmd_set = &gl841_cmd_set;
- return SANE_STATUS_GOOD;
-}
-
-/* vim: set sw=2 cino=>2se-1sn-1s{s^-1st0(0u0 smarttab expandtab: */
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-26 20:46:35 +0000