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authorJörg Frings-Fürst <debian@jff-webhosting.net>2019-07-31 17:00:20 +0200
committerJörg Frings-Fürst <debian@jff-webhosting.net>2019-07-31 17:00:20 +0200
commit3759ce55ba79b8d3b9d8ed247a252273ee7dade3 (patch)
treed69692a274dd1c7d0672e6bb7155a0fc106f9d49 /backend/genesys_gl843.c
parentc8bd2513ecba169cff44c09c8058c36987357b18 (diff)
parent1687222e1b9e74c89cafbb5910e72d8ec7bfd40f (diff)
Update upstream source from tag 'upstream/1.0.28'
Update to upstream version '1.0.28' with Debian dir ec5bb298266630fc3801ff6dc0c258f6df7ba979
Diffstat (limited to 'backend/genesys_gl843.c')
-rw-r--r--backend/genesys_gl843.c4477
1 files changed, 0 insertions, 4477 deletions
diff --git a/backend/genesys_gl843.c b/backend/genesys_gl843.c
deleted file mode 100644
index b47fb7e..0000000
--- a/backend/genesys_gl843.c
+++ /dev/null
@@ -1,4477 +0,0 @@
-/* sane - Scanner Access Now Easy.
-
- Copyright (C) 2010-2013 Stéphane Voltz <stef.dev@free.fr>
-
-
- 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_gl843
-
-#include "genesys_gl843.h"
-
-/****************************************************************************
- Low level function
- ****************************************************************************/
-
-/* ------------------------------------------------------------------------ */
-/* Read and write RAM, registers and AFE */
-/* ------------------------------------------------------------------------ */
-
-
-/**
- * Write bulk data (e.g. gamma or shading data) */
-static SANE_Status
-gl843_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];
-
- DBGSTART;
- DBG (DBG_io, "gl843_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,
- "gl843_bulk_write_data failed while setting register: %s\n",
- sane_strstatus (status));
- return status;
- }
-
- while (len)
- {
- if(len>65472)
- size=65472;
- else
- size = len;
-
- outdata[0] = BULK_OUT;
- outdata[1] = BULK_RAM;
- outdata[2] = 0x00;
- 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,
- "gl843_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,
- "gl843_bulk_write_data failed while writing bulk data: %s\n",
- sane_strstatus (status));
- return status;
- }
-
- DBG (DBG_io2,
- "gl843_bulk_write_data: wrote %lu bytes, %lu remaining\n",
- (u_long) size, (u_long) (len - size));
-
- len -= size;
- data += size;
- }
-
- DBGCOMPLETED;
- return status;
-}
-
-/* Set address for writing data */
-static SANE_Status
-gl843_set_buffer_address (Genesys_Device * dev, uint32_t addr)
-{
- SANE_Status status;
-
- DBG (DBG_io, "gl843_set_buffer_address: setting address to 0x%05x\n",
- addr & 0xffff);
-
- status = sanei_genesys_write_register (dev, 0x5b, ((addr >> 8) & 0xff));
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error,
- "gl843_set_buffer_address: failed while writing high byte: %s\n",
- sane_strstatus (status));
- return status;
- }
-
- status = sanei_genesys_write_register (dev, 0x5c, (addr & 0xff));
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error,
- "gl843_set_buffer_address: failed while writing low byte: %s\n",
- sane_strstatus (status));
- return status;
- }
-
- DBG (DBG_io, "gl843_set_buffer_address: completed\n");
-
- return status;
-}
-
-/**
- * writes a block of data to RAM
- * @param dev USB device
- * @param addr RAM address to write to
- * @param size size of the chunk of data
- * @param data pointer to the data to write
- */
-static SANE_Status
-write_data (Genesys_Device * dev, uint32_t addr, uint32_t size,
- uint8_t * data)
-{
- SANE_Status status = SANE_STATUS_GOOD;
-
- DBGSTART;
-
- status = gl843_set_buffer_address (dev, addr);
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error,
- "write_data: failed while setting address for bulk write data: %s\n",
- sane_strstatus (status));
- return status;
- }
-
- /* write actual data */
- status = gl843_bulk_write_data (dev, 0x28, data, size);
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error,
- "write_data: failed while writing bulk write data: %s\n",
- sane_strstatus (status));
- return status;
- }
-
- /* set back address to 0 */
- status = gl843_set_buffer_address (dev, 0);
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error,
- "write_data: failed setting to default RAM address: %s\n",
- sane_strstatus (status));
- return status;
- }
- DBGCOMPLETED;
- return status;
-}
-
-
-static SANE_Status
-gl843_bulk_read_data (Genesys_Device * dev, uint8_t addr,
- uint8_t * data, size_t len)
-{
- SANE_Status status;
- size_t size;
- uint8_t outdata[8];
-
- DBGSTART;
- DBG (DBG_io,
- "gl843_bulk_read_data: requesting %lu bytes from 0x%02x addr\n",
- (u_long) len, addr);
-
- status =
- sanei_usb_control_msg (dev->dn, REQUEST_TYPE_OUT, REQUEST_REGISTER,
- VALUE_SET_REGISTER, 0, 1, &addr);
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error,
- "write_data: failed to set register address %s\n",
- sane_strstatus (status));
- return status;
- }
-
- if (len == 0)
- return SANE_STATUS_GOOD;
-
- outdata[0] = BULK_IN;
- outdata[1] = BULK_RAM;
- outdata[2] = VALUE_BUFFER;
- outdata[3] = 0;
- 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,
- "gl843_bulk_read_data failed while writing command: %s\n",
- sane_strstatus (status));
- return status;
- }
-
- while (len)
- {
- if (len > 0xF000)
- size = 0xF000;
- else
- size = len;
- if (size >= 512)
- {
- size /= 512;
- size *= 512;
- }
-
- DBG (DBG_io2,
- "gl843_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,
- "gl843_bulk_read_data failed while reading bulk data: %s\n",
- sane_strstatus (status));
- return status;
- }
-
- DBG (DBG_io2,
- "gl843_bulk_read_data read %lu bytes, %lu remaining\n",
- (u_long) size, (u_long) (len - size));
-
- len -= size;
- data += size;
- }
-
- DBGCOMPLETED;
- return SANE_STATUS_GOOD;
-}
-
-/****************************************************************************
- Mid level functions
- ****************************************************************************/
-
-static SANE_Bool
-gl843_get_fast_feed_bit (Genesys_Register_Set * regs)
-{
- Genesys_Register_Set *r = NULL;
-
- r = sanei_genesys_get_address (regs, REG02);
- if (r && (r->value & REG02_FASTFED))
- return SANE_TRUE;
- return SANE_FALSE;
-}
-
-static SANE_Bool
-gl843_get_filter_bit (Genesys_Register_Set * regs)
-{
- Genesys_Register_Set *r = NULL;
-
- r = sanei_genesys_get_address (regs, REG04);
- if (r && (r->value & REG04_FILTER))
- return SANE_TRUE;
- return SANE_FALSE;
-}
-
-static SANE_Bool
-gl843_get_lineart_bit (Genesys_Register_Set * regs)
-{
- Genesys_Register_Set *r = NULL;
-
- r = sanei_genesys_get_address (regs, REG04);
- if (r && (r->value & REG04_LINEART))
- return SANE_TRUE;
- return SANE_FALSE;
-}
-
-static SANE_Bool
-gl843_get_bitset_bit (Genesys_Register_Set * regs)
-{
- Genesys_Register_Set *r = NULL;
-
- r = sanei_genesys_get_address (regs, REG04);
- if (r && (r->value & REG04_BITSET))
- return SANE_TRUE;
- return SANE_FALSE;
-}
-
-static SANE_Bool
-gl843_get_gain4_bit (Genesys_Register_Set * regs)
-{
- Genesys_Register_Set *r = NULL;
-
- r = sanei_genesys_get_address (regs, REG06);
- if (r && (r->value & REG06_GAIN4))
- return SANE_TRUE;
- return SANE_FALSE;
-}
-
-/**
- * compute the step multiplier used
- */
-static int
-gl843_get_step_multiplier (Genesys_Register_Set * regs)
-{
- Genesys_Register_Set *r = NULL;
- int value = 1;
-
- r = sanei_genesys_get_address (regs, REG9D);
- if (r != NULL)
- {
- switch (r->value & 0x0c)
- {
- case 0x04:
- value = 2;
- break;
- case 0x08:
- value = 4;
- break;
- default:
- value = 1;
- }
- }
- DBG (DBG_io, "%s: step multiplier is %d\n", __func__, value);
- return value;
-}
-
-static SANE_Bool
-gl843_test_buffer_empty_bit (SANE_Byte val)
-{
- if (val & REG41_BUFEMPTY)
- return SANE_TRUE;
- return SANE_FALSE;
-}
-
-static SANE_Bool
-gl843_test_motor_flag_bit (SANE_Byte val)
-{
- if (val & REG41_MOTORENB)
- return SANE_TRUE;
- return SANE_FALSE;
-}
-
-/** @brief sensor profile
- * search for the database of motor profiles and get the best one. Each
- * profile is at a specific dpihw. Use first entry of table by default.
- * @param sensor_type sensor id
- * @param dpi hardware dpi for the scan
- * @param flags to select between XPA, XPA+IR or regular scan from OPTICAL_FLAGS_*
- * @return a pointer to a Sensor_Profile struct
- */
-static Sensor_Profile *get_sensor_profile(int sensor_type, int dpi, int flags)
-{
- unsigned int i, count;
- int idx;
- Sensor_Profile *sp;
-
- if(flags & OPTICAL_FLAG_USE_XPA)
- {
- sp=xpa_sensors;
- count=sizeof(xpa_sensors)/sizeof(Sensor_Profile);
- }
- else
- {
- sp=sensors;
- count=sizeof(sensors)/sizeof(Sensor_Profile);
- }
- i=0;
- idx=-1;
- while(i<count)
- {
- /* exact match */
- if(sp[i].sensor_type==sensor_type && sp[i].dpi==dpi)
- {
- return &(sp[i]);
- }
-
- /* closest match */
- if(sp[i].sensor_type==sensor_type)
- {
- if(idx<0)
- {
- idx=i;
- }
- else
- {
- if(sp[i].dpi>=dpi
- && sp[i].dpi<sp[idx].dpi)
- {
- idx=i;
- }
- }
- }
- i++;
- }
-
- /* default fallback */
- if(idx<0)
- {
- DBG (DBG_warn,"%s: using default sensor profile\n",__func__);
- idx=0;
- }
-
- return &(sp[idx]);
-}
-
-
-/** copy sensor specific settings */
-static void
-gl843_setup_sensor (Genesys_Device * dev, Genesys_Register_Set * regs, int dpi,int flags)
-{
- Genesys_Register_Set *r;
- Sensor_Profile *sensor;
- int i,dpihw;
-
- DBGSTART;
-
- dpihw=sanei_genesys_compute_dpihw(dev,dpi);
- sensor=get_sensor_profile(dev->model->ccd_type, dpihw, flags);
-
- for (i = 0x06; i < 0x0e; i++)
- {
- r = sanei_genesys_get_address (regs, 0x10 + i);
- if (r)
- r->value = sensor->regs_0x10_0x1d[i];
- }
- for (i = 0; i < 9; i++)
- {
- r = sanei_genesys_get_address (regs, 0x52 + i);
- if (r)
- r->value = sensor->regs_0x52_0x5e[i];
- }
-
- /* specific registers */
- r = sanei_genesys_get_address (regs, 0x0c);
- if (r)
- {
- r->value = sensor->reg0c;
- }
- r = sanei_genesys_get_address (regs, 0x70);
- if (r)
- {
- r->value = sensor->reg70;
- }
- r = sanei_genesys_get_address (regs, 0x71);
- if (r)
- {
- r->value = sensor->reg71;
- }
- r = sanei_genesys_get_address (regs, 0x7d);
- if (r)
- {
- if (!(dev->model->flags & GENESYS_FLAG_FULL_HWDPI_MODE))
- {
- r->value = 0x90;
- }
- }
- r = sanei_genesys_get_address (regs, 0x9e);
- if (r)
- {
- r->value = sensor->reg9e;
- }
- /* undocumented register */
- r = sanei_genesys_get_address (regs, 0xaa);
- if (r)
- {
- r->value = sensor->regaa;
- }
-
- /* CKxMAP */
- sanei_genesys_set_triple(regs,REG_CK1MAP,sensor->ck1map);
- sanei_genesys_set_triple(regs,REG_CK3MAP,sensor->ck3map);
- sanei_genesys_set_triple(regs,REG_CK4MAP,sensor->ck4map);
-
- DBGCOMPLETED;
-}
-
-
-/* returns the max register bulk size */
-static int
-gl843_bulk_full_size (void)
-{
- return GENESYS_GL843_MAX_REGS;
-}
-
-/** @brief set all registers to default values .
- * This function is called only once at the beginning and
- * fills register startup values for registers reused across scans.
- * Those that are rarely modified or not modified are written
- * individually.
- * @param dev device structure holding register set to initialize
- */
-static void
-gl843_init_registers (Genesys_Device * dev)
-{
- DBGSTART;
-
- memset (dev->reg, 0, GENESYS_GL843_MAX_REGS * sizeof (Genesys_Register_Set));
-
- /* default to KV-SS080 */
- SETREG (0xa2, 0x0f);
- SETREG (0x01, 0x00);
- SETREG (0x02, 0x78);
- SETREG (0x03, 0x1f);
- SETREG (0x04, 0x10);
- SETREG (0x05, 0x80);
- SETREG (0x06, 0xd8); /* SCANMOD=110, PWRBIT and GAIN4 */
- SETREG (0x08, 0x00);
- SETREG (0x09, 0x00);
- SETREG (0x0a, 0x00);
- SETREG (0x0b, 0x6a);
- SETREG (0x10, 0x00);
- SETREG (0x11, 0x00);
- SETREG (0x12, 0x00);
- SETREG (0x13, 0x00);
- SETREG (0x14, 0x00);
- SETREG (0x15, 0x00);
- SETREG (0x16, 0x33);
- SETREG (0x17, 0x1c);
- SETREG (0x18, 0x10);
- SETREG (0x19, 0x2a);
- SETREG (0x1a, 0x04);
- SETREG (0x1b, 0x00);
- SETREG (0x1c, 0x20);
- SETREG (0x1d, 0x04);
- SETREG (0x1e, 0x10);
- SETREG (0x1f, 0x01);
- SETREG (0x20, 0x10);
- SETREG (0x21, 0x04);
- SETREG (0x22, 0x01);
- SETREG (0x23, 0x01);
- SETREG (0x24, 0x04);
- SETREG (0x25, 0x00);
- SETREG (0x26, 0x00);
- SETREG (0x27, 0x00);
- SETREG (0x2c, 0x02);
- SETREG (0x2d, 0x58);
- SETREG (0x2e, 0x80);
- SETREG (0x2f, 0x80);
- SETREG (0x30, 0x00);
- SETREG (0x31, 0x14);
- SETREG (0x32, 0x27);
- SETREG (0x33, 0xec);
- SETREG (0x34, 0x24);
- SETREG (0x35, 0x00);
- SETREG (0x36, 0xff);
- SETREG (0x37, 0xff);
- SETREG (0x38, 0x55);
- SETREG (0x39, 0xf0);
- SETREG (0x3d, 0x00);
- SETREG (0x3e, 0x00);
- SETREG (0x3f, 0x01);
- SETREG (0x52, 0x01);
- SETREG (0x53, 0x04);
- SETREG (0x54, 0x07);
- SETREG (0x55, 0x0a);
- SETREG (0x56, 0x0d);
- SETREG (0x57, 0x10);
- SETREG (0x58, 0x1b);
- SETREG (0x59, 0x00);
- SETREG (0x5a, 0x40);
- SETREG (0x5e, 0x23);
- SETREG (0x5f, 0x01);
- SETREG (0x60, 0x00);
- SETREG (0x61, 0x00);
- SETREG (0x62, 0x00);
- SETREG (0x63, 0x00);
- SETREG (0x64, 0x00);
- SETREG (0x65, 0x00);
- SETREG (0x67, 0x7f);
- SETREG (0x68, 0x7f);
- SETREG (0x69, 0x01);
- SETREG (0x6a, 0x04);
- SETREG (0x6b, 0x30);
- SETREG (0x70, 0x01);
- SETREG (0x71, 0x03);
- SETREG (0x72, 0x04);
- SETREG (0x73, 0x05);
-
- /* CKxMAP */
- SETREG (0x74, 0x00);
- SETREG (0x75, 0x00);
- SETREG (0x76, 0x3c);
- SETREG (0x77, 0x00);
- SETREG (0x78, 0x00);
- SETREG (0x79, 0x9f);
- SETREG (0x7a, 0x00);
- SETREG (0x7b, 0x00);
- SETREG (0x7c, 0x55);
-
- SETREG (0x7d, 0x00);
- SETREG (0x7f, 0x00);
- SETREG (0x80, 0x00);
- if (strcmp (dev->model->name, "canon-canoscan-4400f") != 0)
- {
- SETREG (0x81, 0x00);
- SETREG (0x82, 0x00);
- SETREG (0x83, 0x00);
- SETREG (0x84, 0x00);
- SETREG (0x85, 0x00);
- SETREG (0x86, 0x00);
- }
- SETREG (0x87, 0x00);
- SETREG (0x9d, 0x04);
- SETREG (0x9e, 0x00);
- if (strcmp (dev->model->name, "canon-canoscan-8400f") != 0)
- {
- SETREG (0x0c, 0x00);
- SETREG (0x94, 0xff);
- SETREG (0xab, 0x50);
- }
-
- /* so many time burnt for this register ....*/
- if (strcmp (dev->model->name, "canon-canoscan-4400f") != 0
- &&strcmp (dev->model->name, "canon-canoscan-8400f") != 0)
- {
- SETREG (0xaa, 0x00);
- }
-
- /* G4050 values */
- if ((strcmp (dev->model->name, "hewlett-packard-scanjet-g4050") == 0)
- || (strcmp (dev->model->name, "hewlett-packard-scanjet-4850c") == 0)
- || (strcmp (dev->model->name, "hewlett-packard-scanjet-g4010") == 0))
- {
- SETREG (0x03, 0x1d);
- SETREG (0x05, 0x08);
- SETREG (0x06, 0xd0); /* SCANMOD=110, PWRBIT and no GAIN4 */
- SETREG (0x06, 0xd8); /* SCANMOD=110, PWRBIT and GAIN4 */
- SETREG (0x0a, 0x18);
- SETREG (0x0b, 0x69);
-
- /* CIS exposure is used for XPA lamp movement */
- SETREG (0x10, 0x2c);
- SETREG (0x11, 0x09);
- SETREG (0x12, 0x22);
- SETREG (0x13, 0xb8);
- SETREG (0x14, 0x10);
- SETREG (0x15, 0xf0);
-
- SETREG (0x6b, 0xf4);
-
- SETREG (0x70, 0x00);
- SETREG (0x71, 0x02);
- SETREG (0x72, 0x00);
- SETREG (0x73, 0x00);
-
- SETREG (0x80, 0x50);
- SETREG (0x9d, 0x08);
- SETREG (0xab, 0x40);
-
- /* XXX STEF XXX TODO move to set for scan */
- SETREG (0x98, 0x03);
- SETREG (0x99, 0x30);
- SETREG (0x9a, 0x01);
- SETREG (0x9b, 0x80);
- SETREG (0xac, 0x00);
- }
-
- if (strcmp (dev->model->name, "canon-canoscan-4400f") == 0)
- {
- SETREG (0x06, 0xf0); /* SCANMOD=111, PWRBIT and no GAIN4 */
- SETREG (0x0b, 0x69); /* 16M only */
- SETREG (0x1e, 0x20);
- SETREG (0x22, 0xc8);
- SETREG (0x23, 0xc8);
- SETREG (0x5e, 0x3f);
- SETREG (0x5f, 0xf0);
- SETREG (0x6b, 0x72);
- SETREG (0x72, 0x01);
- SETREG (0x73, 0x03);
- SETREG (0x80, 0x0c);
- SETREG (0x87, 0x02); /* MCLOCK -> CK4MAP */
- SETREG (0x9d, 0x08); /* STEPTIM=2 */
- SETREG (0xa2, 0x1f);
- SETREG (0xab, 0x00);
- sanei_genesys_set_double(dev->reg,REG_EXPR,0x9c40);
- sanei_genesys_set_double(dev->reg,REG_EXPG,0x9c40);
- sanei_genesys_set_double(dev->reg,REG_EXPB,0x9c40);
- }
-
- if (strcmp (dev->model->name, "canon-canoscan-8400f") == 0)
- {
- SETREG (0x03, 0x1c);
- SETREG (0x06, 0xd0); /* SCANMOD=110, PWRBIT and no GAIN4 */
- SETREG (0x0a, 0x10);
- SETREG (0x22, 0x50);
- SETREG (0x23, 0x50);
- SETREG (0x5e, 0x85);
- SETREG (0x6b, 0xb1);
- SETREG (0x1e, 0xa0);
- SETREG (0x72, 0x03);
- SETREG (0x73, 0x04);
- SETREG (0x7d, 0x20);
- SETREG (0x80, 0x28);
- SETREG (0x87, 0x02); /* MCLOCK -> CK4MAP */
- SETREG (0x9d, 0x08); /* STEPTIM=2 */
- }
-
- /* fine tune upon device description */
- dev->reg[reg_0x05].value &= ~REG05_DPIHW;
- switch (dev->sensor.optical_res)
- {
- case 600:
- dev->reg[reg_0x05].value |= REG05_DPIHW_600;
- break;
- case 1200:
- dev->reg[reg_0x05].value |= REG05_DPIHW_1200;
- break;
- case 2400:
- dev->reg[reg_0x05].value |= REG05_DPIHW_2400;
- break;
- case 4800:
- dev->reg[reg_0x05].value |= REG05_DPIHW_4800;
- break;
- }
-
- /* initalize calibration reg */
- memcpy (dev->calib_reg, dev->reg, GENESYS_GL843_MAX_REGS * sizeof (Genesys_Register_Set));
-
- DBGCOMPLETED;
-}
-
-/* Send slope table for motor movement
- slope_table in machine byte order
- */
-#ifndef UNIT_TESTING
-static
-#endif
- SANE_Status
-gl843_send_slope_table (Genesys_Device * dev, int table_nr,
- uint16_t * slope_table, int steps)
-{
- SANE_Status status;
- uint8_t *table;
- int i;
- char msg[10000];
-
- DBG (DBG_proc, "%s (table_nr = %d, steps = %d)\n", __func__,
- table_nr, steps);
-
- 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;
- }
-
- 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);
- }
-
-
- /* slope table addresses are fixed : 0x4000, 0x4800, 0x5000, 0x5800, 0x6000 */
- /* XXX STEF XXX USB 1.1 ? sanei_genesys_write_0x8c (dev, 0x0f, 0x14); */
- status = write_data (dev, 0x4000 + 0x800 * table_nr, steps * 2, table);
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error,
- "%s: write data failed writing slope table %d (%s)\n",
- __func__, table_nr, sane_strstatus (status));
- }
-
- free (table);
- DBGCOMPLETED;
- return status;
-}
-
-
-/* Set values of analog frontend */
-static SANE_Status
-gl843_set_fe (Genesys_Device * dev, uint8_t set)
-{
- SANE_Status status;
- uint8_t val;
- int i;
-
- DBG (DBG_proc, "gl843_set_fe (%s)\n",
- set == AFE_INIT ? "init" : set == AFE_SET ? "set" : set ==
- AFE_POWER_SAVE ? "powersave" : "huh?");
-
- if (set == AFE_INIT)
- {
- DBG (DBG_proc, "gl843_set_fe(): setting DAC %u\n",
- dev->model->dac_type);
- sanei_genesys_init_fe (dev);
- }
-
- /* check analog frontend type */
- RIE (sanei_genesys_read_register (dev, REG04, &val));
- if ((val & REG04_FESET) != 0x00)
- {
- /* for now there is no support for AD fe */
- DBG (DBG_proc, "gl843_set_fe(): unsupported frontend type %d\n",
- dev->reg[reg_0x04].value & REG04_FESET);
- return SANE_STATUS_UNSUPPORTED;
- }
-
- DBG (DBG_proc, "gl843_set_fe(): frontend reset complete\n");
-
- for (i = 1; i <= 3; i++)
- {
- status = sanei_genesys_fe_write_data (dev, i, dev->frontend.reg[i]);
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error,
- "gl843_set_fe: writing reg[%d] failed: %s\n", i,
- sane_strstatus (status));
- return status;
- }
- }
-
- for (i = 0; i < 3; i++)
- {
- status =
- sanei_genesys_fe_write_data (dev, 0x20 + i, dev->frontend.offset[i]);
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error,
- "gl843_set_fe: writing offset[%d] failed: %s\n", i,
- sane_strstatus (status));
- return status;
- }
- }
-
- if (dev->model->ccd_type == CCD_KVSS080)
- {
- 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,
- "gl843_set_fe: writing sign[%d] failed: %s\n", i,
- sane_strstatus (status));
- return status;
- }
- }
- }
-
- for (i = 0; i < 3; i++)
- {
- status =
- sanei_genesys_fe_write_data (dev, 0x28 + i, dev->frontend.gain[i]);
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error,
- "gl843_set_fe: writing gain[%d] failed: %s\n", i,
- sane_strstatus (status));
- return status;
- }
- }
-
- DBGCOMPLETED;
- return SANE_STATUS_GOOD;
-}
-
-
-static SANE_Status
-gl843_init_motor_regs_scan (Genesys_Device * dev,
- Genesys_Register_Set * reg,
- unsigned int exposure,
- float scan_yres,
- int scan_step_type,
- unsigned int scan_lines,
- unsigned int scan_dummy,
- unsigned int feed_steps,
- int scan_power_mode,
- unsigned int flags)
-{
- SANE_Status status;
- int use_fast_fed, coeff;
- unsigned int lincnt;
- uint16_t scan_table[1024];
- uint16_t fast_table[1024];
- int scan_steps,fast_steps, fast_step_type;
- unsigned int feedl,factor,dist;
- Genesys_Register_Set *r;
- uint32_t z1, z2;
-
- DBGSTART;
- DBG (DBG_info, "gl843_init_motor_regs_scan : exposure=%d, "
- "scan_yres=%g, scan_step_type=%d, scan_lines=%d, scan_dummy=%d, "
- "feed_steps=%d, scan_power_mode=%d, flags=%x\n",
- exposure, scan_yres, scan_step_type,
- scan_lines, scan_dummy, feed_steps, scan_power_mode, flags);
-
- /* get step multiplier */
- factor = gl843_get_step_multiplier (reg);
-
- use_fast_fed = 0;
-
- if((scan_yres>=300 && feed_steps>900) || (flags & MOTOR_FLAG_FEED))
- use_fast_fed=1;
-
- lincnt=scan_lines;
- sanei_genesys_set_triple(reg,REG_LINCNT,lincnt);
- DBG (DBG_io, "%s: lincnt=%d\n", __func__, lincnt);
-
- /* compute register 02 value */
- r = sanei_genesys_get_address (reg, REG02);
- r->value = 0x00;
- r->value |= REG02_MTRPWR;
-
- if (use_fast_fed)
- r->value |= REG02_FASTFED;
- else
- r->value &= ~REG02_FASTFED;
-
- /* in case of automatic go home, move until home sensor */
- if (flags & MOTOR_FLAG_AUTO_GO_HOME)
- r->value |= REG02_AGOHOME | REG02_NOTHOME;
-
- /* disable backtracking */
- if ((flags & MOTOR_FLAG_DISABLE_BUFFER_FULL_MOVE)
- ||(scan_yres>=2400)
- ||(scan_yres>=dev->sensor.optical_res))
- r->value |= REG02_ACDCDIS;
-
- /* scan and backtracking slope table */
- sanei_genesys_slope_table(scan_table,
- &scan_steps,
- scan_yres,
- exposure,
- dev->motor.base_ydpi,
- scan_step_type,
- factor,
- dev->model->motor_type,
- gl843_motors);
- RIE(gl843_send_slope_table (dev, SCAN_TABLE, scan_table, scan_steps*factor));
- RIE(gl843_send_slope_table (dev, BACKTRACK_TABLE, scan_table, scan_steps*factor));
-
- /* STEPNO */
- r = sanei_genesys_get_address (reg, REG_STEPNO);
- r->value = scan_steps;
-
- /* FSHDEC */
- r = sanei_genesys_get_address (reg, REG_FSHDEC);
- r->value = scan_steps;
-
- /* fast table */
- fast_step_type=0;
- if(scan_step_type<=fast_step_type)
- {
- fast_step_type=scan_step_type;
- }
- sanei_genesys_slope_table(fast_table,
- &fast_steps,
- sanei_genesys_get_lowest_ydpi(dev),
- exposure,
- dev->motor.base_ydpi,
- fast_step_type,
- factor,
- dev->model->motor_type,
- gl843_motors);
- RIE(gl843_send_slope_table (dev, STOP_TABLE, fast_table, fast_steps*factor));
- RIE(gl843_send_slope_table (dev, FAST_TABLE, fast_table, fast_steps*factor));
- RIE(gl843_send_slope_table (dev, HOME_TABLE, fast_table, fast_steps*factor));
-
- /* FASTNO */
- r = sanei_genesys_get_address (reg, REG_FASTNO);
- r->value = fast_steps;
-
- /* FMOVNO */
- r = sanei_genesys_get_address (reg, REG_FMOVNO);
- r->value = fast_steps;
-
- /* substract acceleration distance from feedl */
- feedl=feed_steps;
- feedl<<=scan_step_type;
-
- dist = scan_steps;
- if (use_fast_fed)
- {
- dist += fast_steps*2;
- }
- DBG (DBG_io2, "%s: acceleration distance=%d\n", __func__, dist);
-
- /* get sure when don't insane value : XXX STEF XXX in this case we should
- * fall back to single table move */
- if(dist<feedl)
- feedl -= dist;
- else
- feedl = 1;
-
- sanei_genesys_set_triple(reg,REG_FEEDL,feedl);
- DBG (DBG_io, "%s: feedl=%d\n", __func__, feedl);
-
- /* doesn't seem to matter that much */
- sanei_genesys_calculate_zmode2 (use_fast_fed,
- exposure,
- scan_table,
- scan_steps,
- feedl,
- scan_steps,
- &z1,
- &z2);
- if(scan_yres>600)
- {
- z1=0;
- z2=0;
- }
-
- sanei_genesys_set_triple(reg,REG_Z1MOD,z1);
- DBG (DBG_info, "gl843_init_motor_regs_scan: z1 = %d\n", z1);
-
- sanei_genesys_set_triple(reg,REG_Z2MOD,z2);
- DBG (DBG_info, "gl843_init_motor_regs_scan: z2 = %d\n", z2);
-
- r = sanei_genesys_get_address (reg, REG1E);
- r->value &= 0xf0; /* 0 dummy lines */
- r->value |= scan_dummy; /* dummy lines */
-
- r = sanei_genesys_get_address (reg, REG67);
- r->value = 0x3f | (scan_step_type << REG67S_STEPSEL);
-
- r = sanei_genesys_get_address (reg, REG68);
- r->value = 0x3f | (scan_step_type << REG68S_FSTPSEL);
-
- /* steps for STOP table */
- r = sanei_genesys_get_address (reg, REG_FMOVDEC);
- r->value = fast_steps;
-
- /* Vref XXX STEF XXX : optical divider or step type ? */
- r = sanei_genesys_get_address (reg, 0x80);
- if (!(dev->model->flags & GENESYS_FLAG_FULL_HWDPI_MODE))
- {
- r->value = 0x50;
- coeff=dev->sensor.optical_res/sanei_genesys_compute_dpihw(dev, scan_yres);
- if (dev->model->motor_type == MOTOR_KVSS080)
- {
- if(coeff>=1)
- {
- r->value |= 0x05;
- }
- }
- else {
- switch(coeff)
- {
- case 4:
- r->value |= 0x0a;
- break;
- case 2:
- r->value |= 0x0f;
- break;
- case 1:
- r->value |= 0x0f;
- break;
- }
- }
- }
-
- DBGCOMPLETED;
- return SANE_STATUS_GOOD;
-}
-
-
-/**@brief compute exposure to use
- * compute the sensor exposure based on target resolution
- */
-static int gl843_compute_exposure(Genesys_Device *dev, int xres, int flags)
-{
- Sensor_Profile *sensor;
-
- sensor=get_sensor_profile(dev->model->ccd_type, xres, flags);
- return sensor->exposure;
-}
-
-/** @brief setup optical related registers
- * start and pixels are expressed in optical sensor resolution coordinate
- * space.
- * @param dev device to use
- * @param reg registers to set up
- * @param exposure exposure time to use
- * @param used_res scanning resolution used, may differ from
- * scan's one
- * @param start logical start pixel coordinate
- * @param pixels logical number of pixels to use
- * @param channels number of color channles used (1 or 3)
- * @param depth bit depth of the scan (1, 8 or 16 bits)
- * @param half_ccd SANE_TRUE if timings are such that x coordiantes must be halved
- * @param color_filter to choose the color channel used in gray scans
- * @param flags to drive specific settings such no calibration, XPA use ...
- * @return SANE_STATUS_GOOD if OK
- */
-static SANE_Status
-gl843_init_optical_regs_scan (Genesys_Device * dev,
- Genesys_Register_Set * reg,
- unsigned int exposure,
- 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 startx, endx, used_pixels;
- unsigned int dpiset, dpihw, factor;
- unsigned int bytes;
- unsigned int tgtime; /**> exposure time multiplier */
- unsigned int cksel; /**> clock per system pixel time in capturing image */
- Genesys_Register_Set *r;
- SANE_Status status;
-
- DBG (DBG_proc, "gl843_init_optical_regs_scan : exposure=%d, "
- "used_res=%d, start=%d, pixels=%d, channels=%d, depth=%d, "
- "half_ccd=%d, flags=%x\n",
- exposure,
- used_res, start, pixels, channels, depth, half_ccd, flags);
-
- /* tgtime */
- tgtime=1;
- if (dev->model->ccd_type == CCD_G4050 && used_res>2400)
- {
- tgtime=2;
- }
- DBG (DBG_io2, "%s: tgtime=%d\n", __func__, tgtime);
-
- /* to manage high resolution device while keeping good
- * low resolution scanning speed, we make hardware dpi vary */
- dpihw=sanei_genesys_compute_dpihw(dev, used_res);
- factor=dev->sensor.optical_res/dpihw;
- DBG (DBG_io2, "%s: dpihw=%d (factor=%d)\n", __func__, dpihw, factor);
-
- /* sensor parameters */
- gl843_setup_sensor (dev, reg, dpihw, flags);
-
- /* resolution is divided according to CKSEL which is known once sensor is set up */
- r = sanei_genesys_get_address (reg, REG18);
- cksel= (r->value & REG18_CKSEL)+1;
- DBG (DBG_io2, "%s: cksel=%d\n", __func__, cksel);
- dpiset = used_res * cksel;
-
- /* start and end coordinate in optical dpi coordinates */
- startx = (start + dev->sensor.dummy_pixel * tgtime)/cksel;
-
- used_pixels=pixels/cksel;
- endx = startx + used_pixels;
-
- /* pixel coordinate factor correction when used dpihw is not maximal one */
- startx/=factor;
- endx/=factor;
- used_pixels=endx-startx;
-
- /* in case of stagger we have to start at an odd coordinate */
- if ((flags & OPTICAL_FLAG_STAGGER)
- &&((startx & 1)==0))
- {
- startx++;
- endx++;
- }
-
- status = gl843_set_fe (dev, AFE_SET);
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error, "%s: failed to set frontend: %s\n", __func__,
- sane_strstatus (status));
- return status;
- }
-
- /* enable shading */
- r = sanei_genesys_get_address (reg, REG01);
- 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;
- }
- if(dpihw>600)
- {
- r->value |= REG01_SHDAREA;
- }
- else
- {
- r->value &= ~REG01_SHDAREA;
- }
-
- r = sanei_genesys_get_address (reg, REG03);
- r->value &= ~REG03_AVEENB;
- if (flags & OPTICAL_FLAG_DISABLE_LAMP)
- r->value &= ~REG03_LAMPPWR;
- else
- r->value |= REG03_LAMPPWR;
-
- /* select XPA */
- r->value &= ~REG03_XPASEL;
- if (flags & OPTICAL_FLAG_USE_XPA)
- {
- r->value |= REG03_XPASEL;
- }
-
- /* BW threshold */
- r = sanei_genesys_get_address (reg, REG2E);
- r->value = dev->settings.threshold;
- r = sanei_genesys_get_address (reg, REG2F);
- r->value = dev->settings.threshold;
-
- /* monochrome / color scan */
- r = sanei_genesys_get_address (reg, REG04);
- 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;
- }
-
- r->value &= ~(REG04_FILTER | REG04_AFEMOD);
- if (channels == 1)
- {
- switch (color_filter)
- {
- case 0:
- r->value |= 0x14; /* red filter */
- break;
- case 2:
- r->value |= 0x1c; /* blue filter */
- break;
- default:
- r->value |= 0x18; /* green filter */
- break;
- }
- }
- else
- r->value |= 0x10; /* mono */
-
- /* register 05 */
- r = sanei_genesys_get_address (reg, REG05);
-
- /* set up dpihw */
- r->value &= ~REG05_DPIHW;
- switch(dpihw)
- {
- case 600:
- r->value |= REG05_DPIHW_600;
- break;
- case 1200:
- r->value |= REG05_DPIHW_1200;
- break;
- case 2400:
- r->value |= REG05_DPIHW_2400;
- break;
- case 4800:
- r->value |= REG05_DPIHW_4800;
- break;
- }
-
- /* enable gamma tables */
- if (flags & OPTICAL_FLAG_DISABLE_GAMMA)
- r->value &= ~REG05_GMMENB;
- else
- r->value |= REG05_GMMENB;
-
- if(half_ccd)
- {
- sanei_genesys_set_double(reg,REG_DPISET,dpiset*4);
- DBG (DBG_io2, "%s: dpiset used=%d\n", __func__, dpiset*4);
- }
- else
- {
- sanei_genesys_set_double(reg,REG_DPISET,dpiset);
- DBG (DBG_io2, "%s: dpiset used=%d\n", __func__, dpiset);
- }
-
- sanei_genesys_set_double(reg,REG_STRPIXEL,startx/tgtime);
- sanei_genesys_set_double(reg,REG_ENDPIXEL,endx/tgtime);
-
- /* words(16bit) before gamma, conversion to 8 bit or lineart */
- words_per_line = (used_pixels * dpiset) / dpihw;
- bytes = depth / 8;
- if (depth == 1)
- {
- words_per_line = (words_per_line >> 3) + ((words_per_line & 7) ? 1 : 0);
- }
- else
- {
- words_per_line *= bytes;
- }
-
- dev->wpl = words_per_line;
- dev->bpl = words_per_line;
-
- DBG (DBG_io2, "%s: used_pixels=%d\n", __func__, used_pixels);
- DBG (DBG_io2, "%s: pixels =%d\n", __func__, pixels);
- DBG (DBG_io2, "%s: depth =%d\n", __func__, depth);
- DBG (DBG_io2, "%s: dev->bpl =%lu\n", __func__, (unsigned long) dev->bpl);
- DBG (DBG_io2, "%s: dev->len =%lu\n", __func__, (unsigned long)dev->len);
- DBG (DBG_io2, "%s: dev->dist =%lu\n", __func__, (unsigned long)dev->dist);
-
- words_per_line *= channels;
-
- /* MAXWD is expressed in 2 words unit */
- /* nousedspace = (mem_bank_range * 1024 / 256 -1 ) * 4; */
- sanei_genesys_set_triple(reg,REG_MAXWD,(words_per_line)>>1);
- DBG (DBG_io2, "%s: words_per_line used=%d\n", __func__, words_per_line);
-
- sanei_genesys_set_double(reg,REG_LPERIOD,exposure/tgtime);
- DBG (DBG_io2, "%s: exposure used=%d\n", __func__, exposure/tgtime);
-
- r = sanei_genesys_get_address (reg, REG_DUMMY);
- r->value = dev->sensor.dummy_pixel * tgtime;
-
- DBGCOMPLETED;
- return SANE_STATUS_GOOD;
-}
-
-/* set up registers for an actual scan
- *
- * this function sets up the scanner to scan in normal or single line mode
- */
-#ifndef UNIT_TESTING
-static
-#endif
- SANE_Status
-gl843_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 scan_mode,
- int color_filter,
- unsigned int flags)
-{
- int used_res;
- int start, used_pixels;
- int bytes_per_line;
- int move;
- unsigned int lincnt; /**> line count to scan */
- unsigned int oflags, mflags; /**> optical and motor flags */
- int exposure;
- int stagger;
-
- int slope_dpi = 0;
- int dummy = 0;
- int scan_step_type = 1;
- int scan_power_mode = 0;
- 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;
-
- DBG (DBG_info,
- "gl843_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);
-
-
- /* we have 2 domains for ccd: xres below or above half ccd max dpi */
- if (dev->sensor.optical_res < 4 * 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 /= 4;
-
- /* stagger starting at 2400, and not applied for calibration */
- stagger = 0;
- if ( (yres>1200)
- && ((flags & SCAN_FLAG_IGNORE_LINE_DISTANCE)==0)
- && (dev->model->flags & GENESYS_FLAG_STAGGERED_LINE))
- {
- stagger = (4 * yres) / dev->motor.base_ydpi;
- }
- DBG (DBG_info, "%s : stagger=%d lines\n", __func__, stagger);
-
- /* we enable true gray for cis scanners only, and just when doing
- * scan since color calibration is OK for this mode
- */
- oflags = 0;
- if (flags & SCAN_FLAG_DISABLE_SHADING)
- oflags |= OPTICAL_FLAG_DISABLE_SHADING;
- if (flags & SCAN_FLAG_DISABLE_GAMMA)
- oflags |= OPTICAL_FLAG_DISABLE_GAMMA;
- if (flags & SCAN_FLAG_DISABLE_LAMP)
- oflags |= OPTICAL_FLAG_DISABLE_LAMP;
- if (flags & SCAN_FLAG_CALIBRATION)
- oflags |= OPTICAL_FLAG_DISABLE_DOUBLE;
- if(stagger)
- oflags |= OPTICAL_FLAG_STAGGER;
- if (flags & SCAN_FLAG_USE_XPA)
- oflags |= OPTICAL_FLAG_USE_XPA;
-
- /** @brief compute used resolution */
- if (flags & SCAN_FLAG_USE_OPTICAL_RES)
- {
- used_res = optical_res;
- }
- else
- {
- /* resolution is choosen from a fixed list and can be used directly
- * unless we have ydpi higher than sensor's maximum one */
- if(xres>optical_res)
- used_res=optical_res;
- else
- used_res = xres;
- }
-
- /* compute scan parameters values */
- /* pixels are allways given at full optical resolution */
- /* use detected left margin and fixed value */
- /* start */
- start = startx;
-
- /* compute correct pixels number */
- used_pixels = (pixels * optical_res) / xres;
- DBG (DBG_info, "%s: used_pixels=%d\n", __func__, used_pixels);
-
- /* round up pixels number if needed */
- if (used_pixels * xres < pixels * optical_res)
- used_pixels++;
-
- /* we want even number of pixels here */
- if(used_pixels & 1)
- used_pixels++;
-
- dummy = 0;
- /* dummy = 1; XXX STEF XXX */
-
- /* 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 */
- if(flags & SCAN_FLAG_FEEDING)
- {
- exposure=gl843_compute_exposure (dev, sanei_genesys_get_lowest_ydpi(dev), oflags);
- scan_step_type=sanei_genesys_compute_step_type (gl843_motors, dev->model->motor_type, exposure);
- }
- else
- {
- exposure = gl843_compute_exposure (dev, used_res, oflags);
- scan_step_type = sanei_genesys_compute_step_type(gl843_motors, dev->model->motor_type, exposure);
- }
-
- DBG (DBG_info, "%s : exposure=%d pixels\n", __func__, exposure);
- DBG (DBG_info, "%s : scan_step_type=%d\n", __func__, scan_step_type);
-
- /*** 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) && (scan_mode == SCAN_MODE_LINEART))
- {
- depth = 8;
- }
- /* no 16 bit gamma for this ASIC */
- if (depth == 16)
- {
- flags |= SCAN_FLAG_DISABLE_GAMMA;
- oflags |= OPTICAL_FLAG_DISABLE_GAMMA;
- }
-
- /* now _LOGICAL_ optical values used are known, setup registers */
- status = gl843_init_optical_regs_scan (dev,
- reg,
- exposure,
- used_res,
- start,
- used_pixels,
- channels,
- depth,
- half_ccd,
- color_filter,
- oflags);
- if (status != SANE_STATUS_GOOD)
- return status;
-
- /*** motor parameters ***/
-
- /* it seems base_dpi of the G4050 motor is changed above 600 dpi*/
- if (dev->model->motor_type == MOTOR_G4050 && yres>600)
- {
- dev->ld_shift_r = (dev->model->ld_shift_r*3800)/dev->motor.base_ydpi;
- dev->ld_shift_g = (dev->model->ld_shift_g*3800)/dev->motor.base_ydpi;
- dev->ld_shift_b = (dev->model->ld_shift_b*3800)/dev->motor.base_ydpi;
- }
- else
- {
- dev->ld_shift_r = dev->model->ld_shift_r;
- dev->ld_shift_g = dev->model->ld_shift_g;
- dev->ld_shift_b = dev->model->ld_shift_b;
- }
-
- /* max_shift */
- /* scanned area must be enlarged by max color shift needed */
- max_shift=sanei_genesys_compute_max_shift(dev,channels,yres,flags);
-
- /* lines to scan */
- lincnt = lines + max_shift + stagger;
-
- /* add tl_y to base movement */
- move = starty;
- DBG (DBG_info, "gl843_init_scan_regs: move=%d steps\n", move);
-
-
- mflags=0;
- if(flags & SCAN_FLAG_DISABLE_BUFFER_FULL_MOVE)
- mflags|=MOTOR_FLAG_DISABLE_BUFFER_FULL_MOVE;
- if(flags & SCAN_FLAG_FEEDING)
- mflags|=MOTOR_FLAG_FEED;
- if (flags & SCAN_FLAG_USE_XPA)
- mflags |= MOTOR_FLAG_USE_XPA;
-
- status = gl843_init_motor_regs_scan (dev,
- reg,
- exposure,
- slope_dpi,
- scan_step_type,
- dev->model->is_cis ? lincnt * channels : lincnt,
- dummy,
- move,
- scan_power_mode,
- mflags);
- 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;
-
- /* since we don't have sheetfed scanners to handle,
- * use huge read buffer */
- /* TODO find the best size according to settings */
- requested_buffer_size = 16 * 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,
- "gl843_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;
- DBG (DBG_info, "%s: current_setup.pixels=%d\n", __func__, dev->current_setup.pixels);
- dev->current_setup.lines = lincnt;
- dev->current_setup.depth = depth;
- dev->current_setup.channels = channels;
- dev->current_setup.exposure_time = exposure;
- 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;
-
- 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, "gl843_init_scan_regs: total bytes to send = %lu\n",
- (u_long) dev->total_bytes_to_read);
-
- DBG (DBG_proc, "gl843_init_scan_regs: completed\n");
- return SANE_STATUS_GOOD;
-}
-
-static SANE_Status
-gl843_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;
- int stagger;
-
- int max_shift;
-
- SANE_Bool half_ccd; /* false: full CCD res is used, true, half max CCD res is used */
- int optical_res;
- int oflags;
-
- DBG (DBG_info,
- "gl843_calculate_current_setup settings:\n"
- "Resolution: %ux%uDPI\n"
- "Lines : %u\n"
- "PPL : %u\n"
- "Startpos : %.3f/%.3f\n"
- "Scan mode : %d\n\n",
- dev->settings.xres,
- 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 == 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;
-
- /* start */
- start = SANE_UNFIX (dev->model->x_offset);
- start += dev->settings.tl_x;
- start = (start * dev->sensor.optical_res) / MM_PER_INCH;
-
- /* optical flags */
- oflags=0;
- if(dev->settings.scan_method==SCAN_METHOD_TRANSPARENCY)
- {
- oflags=OPTICAL_FLAG_USE_XPA;
- }
-
- xres = dev->settings.xres;
- yres = dev->settings.yres;
- startx = start;
- pixels = dev->settings.pixels;
- lines = dev->settings.lines;
-
- DBG (DBG_info,
- "gl843_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 < 4 * 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 /= 4;
-
- /* stagger */
- if ((!half_ccd) && (dev->model->flags & GENESYS_FLAG_STAGGERED_LINE))
- stagger = (4 * yres) / dev->motor.base_ydpi;
- else
- stagger = 0;
- DBG (DBG_info, "%s: stagger=%d lines\n", __func__, stagger);
-
- if(xres<=optical_res)
- used_res = xres;
- else
- used_res=optical_res;
-
- /* compute scan parameters values */
- /* pixels are allways given at half or full CCD optical resolution */
- /* use detected left margin and fixed value */
-
- /* compute correct pixels number */
- used_pixels = (pixels * optical_res) / xres;
- DBG (DBG_info, "%s: used_pixels=%d\n", __func__, used_pixels);
-
- /* exposure */
- exposure = gl843_compute_exposure (dev, used_res, oflags);
- DBG (DBG_info, "%s : exposure=%d pixels\n", __func__, exposure);
-
- /* it seems base_dpi of the G4050 motor is changed above 600 dpi*/
- if (dev->model->motor_type == MOTOR_G4050 && yres>600)
- {
- dev->ld_shift_r = (dev->model->ld_shift_r*3800)/dev->motor.base_ydpi;
- dev->ld_shift_g = (dev->model->ld_shift_g*3800)/dev->motor.base_ydpi;
- dev->ld_shift_b = (dev->model->ld_shift_b*3800)/dev->motor.base_ydpi;
- }
- else
- {
- dev->ld_shift_r = dev->model->ld_shift_r;
- dev->ld_shift_g = dev->model->ld_shift_g;
- dev->ld_shift_b = dev->model->ld_shift_b;
- }
-
- /* 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;
- DBG (DBG_info, "%s: current_setup.pixels=%d\n", __func__, dev->current_setup.pixels);
- dev->current_setup.lines = lincnt;
- dev->current_setup.depth = depth;
- dev->current_setup.channels = channels;
- dev->current_setup.exposure_time = exposure;
- 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;
-
- DBG (DBG_proc, "gl843_calculate_current_setup: completed\n");
- return SANE_STATUS_GOOD;
-}
-
-static void
-gl843_set_motor_power (Genesys_Register_Set * regs, SANE_Bool set)
-{
-
- DBG (DBG_proc, "gl843_set_motor_power\n");
-
- if (set)
- {
- sanei_genesys_set_reg_from_set (regs, REG02,
- sanei_genesys_read_reg_from_set (regs,
- REG02)
- | REG02_MTRPWR);
- }
- else
- {
- sanei_genesys_set_reg_from_set (regs, REG02,
- sanei_genesys_read_reg_from_set (regs,
- REG02)
- & ~REG02_MTRPWR);
- }
-}
-
-static void
-gl843_set_lamp_power (Genesys_Device * dev,
- Genesys_Register_Set * regs, SANE_Bool set)
-{
- Genesys_Register_Set *r;
- int i;
- uint8_t val;
-
- val = sanei_genesys_read_reg_from_set (regs, REG03);
- if (set)
- {
- val |= REG03_LAMPPWR;
- sanei_genesys_set_reg_from_set (regs, REG03, val);
- for (i = 0; i < 6; i++)
- {
- r = sanei_genesys_get_address (regs, 0x10 + i);
- r->value = dev->sensor.regs_0x10_0x1d[i];
- }
- }
- else
- {
- val &= ~REG03_LAMPPWR;
- sanei_genesys_set_reg_from_set (regs, REG03, val);
- for (i = 0; i < 6; i++)
- {
- r = sanei_genesys_get_address (regs, 0x10 + i);
- r->value = 0x00;
- }
- }
-}
-
-/**
- * for fast power saving methods only, like disabling certain amplifiers
- * @param dev device to use
- * @param enable true to set inot powersaving
- * */
-static SANE_Status
-gl843_save_power (Genesys_Device * dev, SANE_Bool enable)
-{
- uint8_t val;
- SANE_Status status;
-
- DBG (DBG_proc, "gl843_save_power: enable = %d\n", enable);
- if (dev == NULL)
- return SANE_STATUS_INVAL;
-
- /* switch KV-SS080 lamp off */
- if (dev->model->gpo_type == GPO_KVSS080)
- {
- RIE(sanei_genesys_read_register (dev, REG6C, &val));
- if(enable)
- val &= 0xef;
- else
- val |= 0x10;
- RIE(sanei_genesys_write_register(dev,REG6C,val));
- }
-
- DBGCOMPLETED;
- return SANE_STATUS_GOOD;
-}
-
-static SANE_Status
-gl843_set_powersaving (Genesys_Device * dev, int delay /* in minutes */ )
-{
- SANE_Status status = SANE_STATUS_GOOD;
-
- DBG (DBG_proc, "gl843_set_powersaving (delay = %d)\n", delay);
- if (dev == NULL)
- return SANE_STATUS_INVAL;
-
- DBGCOMPLETED;
- return status;
-}
-
-#ifndef UNIT_TESTING
-static
-#endif
- SANE_Status
-gl843_start_action (Genesys_Device * dev)
-{
- return sanei_genesys_write_register (dev, 0x0f, 0x01);
-}
-
-static SANE_Status
-gl843_stop_action (Genesys_Device * dev)
-{
- 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);
- }
-
- val40 = 0;
- status = sanei_genesys_read_register (dev, REG40, &val40);
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error,
- "%s: failed to read home sensor: %s\n", __func__,
- sane_strstatus (status));
- DBG (DBG_proc, "%s: completed\n", __func__);
- return status;
- }
-
- /* only stop action if needed */
- if (!(val40 & REG40_DATAENB) && !(val40 & REG40_MOTMFLG))
- {
- DBG (DBG_info, "%s: already stopped\n", __func__);
- DBG (DBG_proc, "%s: completed\n", __func__);
- return SANE_STATUS_GOOD;
- }
-
- /* ends scan 646 */
- val = sanei_genesys_read_reg_from_set (dev->reg, REG01);
- val &= ~REG01_SCAN;
- sanei_genesys_set_reg_from_set (dev->reg, REG01, val);
- status = sanei_genesys_write_register (dev, REG01, val);
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error, "%s: failed to write register 01: %s\n", __func__,
- sane_strstatus (status));
- return status;
- }
- usleep (100 * 1000);
-
- loop = 10;
- while (loop > 0)
- {
- status = sanei_genesys_get_status (dev, &val);
- if (DBG_LEVEL >= DBG_io)
- {
- sanei_genesys_print_status (val);
- }
- val40 = 0;
- 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;
- }
-
- /* if scanner is in command mode, we are done */
- if (!(val40 & REG40_DATAENB) && !(val40 & REG40_MOTMFLG)
- && !(val & REG41_MOTORENB))
- {
- DBGCOMPLETED;
- return SANE_STATUS_GOOD;
- }
-
- usleep (100 * 1000);
- loop--;
- }
-
- DBGCOMPLETED;
- return SANE_STATUS_IO_ERROR;
-}
-
-static SANE_Status
-gl843_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,
- "gl843_get_paper_sensor: failed to read gpio: %s\n",
- sane_strstatus (status));
- return status;
- }
- *paper_loaded = (val & 0x1) == 0;
- return SANE_STATUS_GOOD;
-
- return SANE_STATUS_INVAL;
-}
-
-static SANE_Status
-gl843_eject_document (Genesys_Device * dev)
-{
- DBG (DBG_proc, "%s: not implemented \n", __func__);
- if (dev == NULL)
- return SANE_STATUS_INVAL;
- return SANE_STATUS_GOOD;
-}
-
-
-static SANE_Status
-gl843_load_document (Genesys_Device * dev)
-{
- DBG (DBG_proc, "%s: not implemented \n", __func__);
- if (dev == NULL)
- return SANE_STATUS_INVAL;
- return SANE_STATUS_GOOD;
-}
-
-/**
- * detects end of document and adjust current scan
- * to take it into account
- * used by sheetfed scanners
- */
-static SANE_Status
-gl843_detect_document_end (Genesys_Device * dev)
-{
- SANE_Status status = SANE_STATUS_GOOD;
- SANE_Bool paper_loaded;
- unsigned int scancnt = 0;
- int flines, channels, depth, bytes_remain, sublines,
- bytes_to_flush, lines, sub_bytes, tmp, read_bytes_left;
- DBG (DBG_proc, "%s: begin\n", __func__);
-
- RIE (gl843_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;
-
- channels = dev->current_setup.channels;
- depth = dev->current_setup.depth;
- read_bytes_left = (int) dev->read_bytes_left;
- DBG (DBG_io, "gl843_detect_document_end: read_bytes_left=%d\n",
- read_bytes_left);
-
- /* get lines read */
- status = sanei_genesys_read_scancnt (dev, &scancnt);
- if (status != SANE_STATUS_GOOD)
- {
- flines = 0;
- }
- else
- {
- /* compute number of line read */
- tmp = (int) dev->total_bytes_read;
- if (depth == 1 || dev->settings.scan_mode == SCAN_MODE_LINEART)
- flines = tmp * 8 / dev->settings.pixels / channels;
- else
- flines = tmp / (depth / 8) / dev->settings.pixels / channels;
-
- /* number of scanned lines, but no read yet */
- flines = scancnt - flines;
-
- DBG (DBG_io,
- "gl843_detect_document_end: %d scanned but not read lines\n",
- flines);
- }
-
- /* adjust number of bytes to read
- * we need to read the final bytes which are word per line * number of last lines
- * to have doc leaving feeder */
- lines =
- (SANE_UNFIX (dev->model->post_scan) * dev->current_setup.yres) /
- MM_PER_INCH + flines;
- DBG (DBG_io, "gl843_detect_document_end: adding %d line to flush\n",
- lines);
-
- /* number of bytes to read from scanner to get document out of it after
- * end of document dectected by hardware sensor */
- bytes_to_flush = lines * dev->wpl;
-
- /* if we are already close to end of scan, flushing isn't needed */
- if (bytes_to_flush < read_bytes_left)
- {
- /* we take all these step to work around an overflow on some plateforms */
- tmp = (int) dev->total_bytes_read;
- DBG (DBG_io, "gl843_detect_document_end: tmp=%d\n", tmp);
- bytes_remain = (int) dev->total_bytes_to_read;
- DBG (DBG_io, "gl843_detect_document_end: bytes_remain=%d\n",
- bytes_remain);
- bytes_remain = bytes_remain - tmp;
- DBG (DBG_io, "gl843_detect_document_end: bytes_remain=%d\n",
- bytes_remain);
-
- /* remaining lines to read by frontend for the current scan */
- if (depth == 1 || dev->settings.scan_mode == SCAN_MODE_LINEART)
- {
- flines = bytes_remain * 8 / dev->settings.pixels / channels;
- }
- else
- flines = bytes_remain / (depth / 8)
- / dev->settings.pixels / channels;
- DBG (DBG_io, "gl843_detect_document_end: flines=%d\n", flines);
-
- if (flines > lines)
- {
- /* change the value controlling communication with the frontend :
- * total bytes to read is current value plus the number of remaining lines
- * multiplied by bytes per line */
- sublines = flines - lines;
-
- if (depth == 1 || dev->settings.scan_mode == SCAN_MODE_LINEART)
- sub_bytes =
- ((dev->settings.pixels * sublines) / 8 +
- (((dev->settings.pixels * sublines) % 8) ? 1 : 0)) *
- channels;
- else
- sub_bytes =
- dev->settings.pixels * sublines * channels * (depth / 8);
-
- dev->total_bytes_to_read -= sub_bytes;
-
- /* then adjust the physical bytes to read */
- if (read_bytes_left > sub_bytes)
- {
- dev->read_bytes_left -= sub_bytes;
- }
- else
- {
- dev->total_bytes_to_read = dev->total_bytes_read;
- dev->read_bytes_left = 0;
- }
-
- DBG (DBG_io, "gl843_detect_document_end: sublines=%d\n",
- sublines);
- DBG (DBG_io, "gl843_detect_document_end: subbytes=%d\n",
- sub_bytes);
- DBG (DBG_io,
- "gl843_detect_document_end: total_bytes_to_read=%lu\n",
- (unsigned long) dev->total_bytes_to_read);
- DBG (DBG_io,
- "gl843_detect_document_end: read_bytes_left=%d\n",
- read_bytes_left);
- }
- }
- else
- {
- DBG (DBG_io, "gl843_detect_document_end: no flushing needed\n");
- }
- }
-
- DBG (DBG_proc, "%s: finished\n", __func__);
- return SANE_STATUS_GOOD;
-}
-
-/** @brief disable XPA slider motor
- * toggle gpios to switch disble XPA slider motor
- * @param dev device to set up
- */
-#ifndef UNIT_TESTING
-static
-#endif
-SANE_Status gl843_xpa_motor_off(Genesys_Device *dev)
-{
- uint8_t val;
- SANE_Status status=SANE_STATUS_GOOD;
-
- DBGSTART;
-
- /* unset GPOADF */
- RIE (sanei_genesys_read_register (dev, REG6B, &val));
- val &= ~REG6B_GPOADF;
- RIE (sanei_genesys_write_register (dev, REG6B, val));
-
- RIE (sanei_genesys_read_register (dev, REGA8, &val));
- val |= REGA8_GPO27;
- RIE (sanei_genesys_write_register (dev, REGA8, val));
-
- RIE (sanei_genesys_read_register (dev, REGA9, &val));
- val &= ~REGA9_GPO31;
- RIE (sanei_genesys_write_register (dev, REGA9, val));
-
- DBGCOMPLETED;
- return status;
-}
-
-
-/** @brief enable XPA slider motor
- * toggle gpios to switch enable XPA slider motor
- * @param dev device to set up
- */
-#ifndef UNIT_TESTING
-static
-#endif
-SANE_Status gl843_xpa_motor_on(Genesys_Device *dev)
-{
- uint8_t val;
- SANE_Status status=SANE_STATUS_GOOD;
-
- DBGSTART;
-
- /* set MULTFILM et GPOADF */
- RIE (sanei_genesys_read_register (dev, REG6B, &val));
- val |=REG6B_MULTFILM|REG6B_GPOADF;
- RIE (sanei_genesys_write_register (dev, REG6B, val));
-
- RIE (sanei_genesys_read_register (dev, REG6C, &val));
- val &= ~REG6C_GPIO15;
- RIE (sanei_genesys_write_register (dev, REG6C, val));
-
- /* Motor power ? No move at all without this one */
- RIE (sanei_genesys_read_register (dev, REGA6, &val));
- val |= REGA6_GPIO20;
- RIE (sanei_genesys_write_register(dev,REGA6,val));
-
- RIE (sanei_genesys_read_register (dev, REGA8, &val));
- val &= ~REGA8_GPO27;
- RIE (sanei_genesys_write_register (dev, REGA8, val));
-
- RIE (sanei_genesys_read_register (dev, REGA9, &val));
- val |= REGA9_GPO32|REGA9_GPO31;
- RIE (sanei_genesys_write_register (dev, REGA9, val));
-
- DBGCOMPLETED;
- return status;
-}
-
-
-/** @brief light XPA lamp
- * toggle gpios to switch off regular lamp and light on the
- * XPA light
- * @param dev device to set up
- */
-#ifndef UNIT_TESTING
-static
-#endif
-SANE_Status gl843_xpa_lamp_on(Genesys_Device *dev)
-{
- uint8_t val;
- SANE_Status status=SANE_STATUS_GOOD;
-
- DBGSTART;
-
- /* REGA6 */
- RIE(sanei_genesys_read_register(dev, REGA6, &val));
-
- /* cut regular lamp power */
- val &= ~(REGA6_GPIO24|REGA6_GPIO23);
-
- /* set XPA lamp power */
- val |= REGA6_GPIO22 | REGA6_GPIO21 | REGA6_GPIO19;
-
- RIE(sanei_genesys_write_register(dev, REGA6, val));
-
- RIE(sanei_genesys_read_register(dev, REGA7, &val));
- val|=REGA7_GPOE24; /* lamp 1 off GPOE 24 */
- val|=REGA7_GPOE23; /* lamp 2 off GPOE 23 */
- val|=REGA7_GPOE22; /* full XPA lamp power */
- RIE(sanei_genesys_write_register(dev, REGA7, val));
-
- DBGCOMPLETED;
- return status;
-}
-
-/* Send the low-level scan command */
-#ifndef UNIT_TESTING
-static
-#endif
-SANE_Status
-gl843_begin_scan (Genesys_Device * dev, Genesys_Register_Set * reg,
- SANE_Bool start_motor)
-{
- SANE_Status status;
- uint8_t val,r03;
- uint16_t dpiset, dpihw;
-
- DBGSTART;
-
- /* get back the target dpihw */
- sanei_genesys_get_double (reg, REG_DPISET, &dpiset);
- dpihw = sanei_genesys_compute_dpihw (dev, dpiset);
-
- /* set up GPIO for scan */
- switch(dev->model->gpo_type)
- {
- /* KV case */
- case GPO_KVSS080:
- RIE (sanei_genesys_write_register (dev, REGA9, 0x00));
- RIE (sanei_genesys_write_register (dev, REGA6, 0xf6));
- /* blinking led */
- RIE (sanei_genesys_write_register (dev, 0x7e, 0x04));
- break;
- case GPO_G4050:
- RIE (sanei_genesys_write_register (dev, REGA7, 0xfe));
- RIE (sanei_genesys_write_register (dev, REGA8, 0x3e));
- RIE (sanei_genesys_write_register (dev, REGA9, 0x06));
- switch (dpihw)
- {
- case 1200:
- case 2400:
- case 4800:
- RIE (sanei_genesys_write_register (dev, REG6C, 0x60));
- RIE (sanei_genesys_write_register (dev, REGA6, 0x46));
- break;
- default: /* 600 dpi case */
- RIE (sanei_genesys_write_register (dev, REG6C, 0x20));
- RIE (sanei_genesys_write_register (dev, REGA6, 0x44));
- }
-
- /* turn on XPA lamp if XPA is selected and lamp power on*/
- r03 = sanei_genesys_read_reg_from_set (reg, REG03);
- if ((r03 & REG03_XPASEL) && (r03 & REG03_LAMPPWR))
- {
- RIE(gl843_xpa_lamp_on(dev));
- }
-
- /* enable XPA lamp motor */
- if (r03 & REG03_XPASEL)
- {
- RIE(gl843_xpa_motor_on(dev));
- }
-
- /* blinking led */
- RIE (sanei_genesys_write_register (dev, REG7E, 0x01));
- break;
- case GPO_CS4400F:
- case GPO_CS8400F:
- default:
- break;
- }
-
- /* clear scan and feed count */
- RIE (sanei_genesys_write_register
- (dev, REG0D, REG0D_CLRLNCNT | REG0D_CLRMCNT));
-
- /* enable scan and motor */
- RIE (sanei_genesys_read_register (dev, REG01, &val));
- val |= REG01_SCAN;
- RIE (sanei_genesys_write_register (dev, REG01, val));
-
- if (start_motor)
- {
- RIE (sanei_genesys_write_register (dev, REG0F, 1));
- }
- else
- {
- RIE (sanei_genesys_write_register (dev, REG0F, 0));
- }
-
- DBGCOMPLETED;
- return status;
-}
-
-
-/* Send the stop scan command */
-#ifndef UNIT_TESTING
-static
-#endif
- SANE_Status
-gl843_end_scan (Genesys_Device * dev, Genesys_Register_Set * reg,
- SANE_Bool check_stop)
-{
- SANE_Status status;
- uint8_t val;
-
- DBG (DBG_proc, "gl843_end_scan (check_stop = %d)\n", check_stop);
- if (reg == NULL)
- return SANE_STATUS_INVAL;
-
- /* post scan gpio */
- RIE(sanei_genesys_write_register(dev,0x7e,0x00));
-
- /* turn off XPA lamp if XPA is selected and lamp power on*/
- val = sanei_genesys_read_reg_from_set (reg, REG03);
- if (val & (REG03_XPASEL|REG03_LAMPPWR))
- {
- sanei_genesys_read_register (dev, REGA6, &val);
-
- /* switch on regular lamp */
- val |= 0x40;
-
- /* no XPA lamp power (2 bits for level: __11 ____) */
- val &= ~0x30;
-
- RIE (sanei_genesys_write_register (dev, REGA6, val));
- }
-
- if (dev->model->is_sheetfed == SANE_TRUE)
- {
- status = SANE_STATUS_GOOD;
- }
- else /* flat bed scanners */
- {
- status = gl843_stop_action (dev);
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error,
- "gl843_end_scan: failed to stop: %s\n",
- sane_strstatus (status));
- return status;
- }
- }
-
- DBGCOMPLETED;
- return status;
-}
-
-/** @brief park XPA lamp
- * park the XPA lamp if needed
- */
-static SANE_Status gl843_park_xpa_lamp (Genesys_Device * dev)
-{
- Genesys_Register_Set local_reg[GENESYS_GL843_MAX_REGS];
- SANE_Status status;
- Genesys_Register_Set *r;
- uint8_t val;
- int loop = 0;
-
- DBGSTART;
-
- /* copy scan settings */
- memcpy (local_reg, dev->reg, GENESYS_GL843_MAX_REGS * sizeof (Genesys_Register_Set));
-
- /* set a huge feedl and reverse direction */
- sanei_genesys_set_triple(local_reg,REG_FEEDL,0xbdcd);
-
- /* clear scan and feed count */
- RIE (sanei_genesys_write_register (dev, REG0D, REG0D_CLRLNCNT | REG0D_CLRMCNT));
-
- /* 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;
-
- /* write to scanner and start action */
- RIE (dev->model->cmd_set->bulk_write_register (dev, local_reg, GENESYS_GL843_MAX_REGS));
- RIE (gl843_xpa_motor_on(dev));
- status = gl843_start_action (dev);
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error, "%s: failed to start motor: %s\n",__func__, sane_strstatus (status));
- gl843_stop_action (dev);
- /* restore original registers */
- dev->model->cmd_set->bulk_write_register (dev, dev->reg, GENESYS_GL843_MAX_REGS);
- return status;
- }
-
- while (loop < 600) /* do not wait longer then 60 seconds */
- {
- status = sanei_genesys_get_status (dev, &val);
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error,
- "%s: failed to read home sensor: %s\n",__func__,
- sane_strstatus (status));
- return status;
- }
- if (DBG_LEVEL >= DBG_io2)
- {
- sanei_genesys_print_status (val);
- }
-
- if (val & REG41_HOMESNR) /* home sensor */
- {
- DBG (DBG_info, "%s: reached home position\n",__func__);
- DBG (DBG_proc, "%s: finished\n",__func__);
-
- /* clear GPOADF to avoid reparking again */
- sanei_genesys_read_register (dev, REG6B, &val);
- val &= ~REG6B_GPOADF;
- sanei_genesys_write_register (dev, REG6B, val);
-
- /* disable XPA slider motor */
- gl843_xpa_motor_off(dev);
- return SANE_STATUS_GOOD;
- }
- usleep (100000); /* sleep 100 ms */
- ++loop;
- }
-
- /* we are not parked here.... should we fail ? */
- DBG (DBG_info, "%s: XPA lamp is not parked\n", __func__);
- DBGCOMPLETED;
- return SANE_STATUS_GOOD;
-}
-
-/** @brief Moves the slider to the home (top) position slowly
- * */
-#ifndef UNIT_TESTING
-static
-#endif
- SANE_Status
-gl843_slow_back_home (Genesys_Device * dev, SANE_Bool wait_until_home)
-{
- Genesys_Register_Set local_reg[GENESYS_GL843_MAX_REGS];
- SANE_Status status;
- Genesys_Register_Set *r;
- uint8_t val;
- float resolution;
- int loop = 0;
-
- DBG (DBG_proc, "gl843_slow_back_home (wait_until_home = %d)\n",
- wait_until_home);
-
- if (dev->model->gpo_type == GPO_G4050)
- {
- /* test if we need to park XPA lamp, we check GPOADF */
- RIE (sanei_genesys_read_register (dev, REG6B, &val));
- if(val & REG6B_GPOADF)
- {
- RIE(gl843_park_xpa_lamp(dev));
- }
- }
-
- /* regular slow back home */
- dev->scanhead_position_in_steps = 0;
-
- /* first read gives HOME_SENSOR true */
- status = sanei_genesys_get_status (dev, &val);
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error, "%s: failed to read home sensor: %s\n", __func__, sane_strstatus (status));
- return status;
- }
- usleep (100000); /* sleep 100 ms */
-
- /* second is reliable */
- status = sanei_genesys_get_status (dev, &val);
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error,
- "gl843_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);
- }
- if (val & HOMESNR) /* is sensor at home? */
- {
- DBGCOMPLETED;
- return SANE_STATUS_GOOD;
- }
-
- memcpy (local_reg, dev->reg, GENESYS_GL843_MAX_REGS * sizeof (Genesys_Register_Set));
- resolution=sanei_genesys_get_lowest_ydpi(dev);
-
- status = gl843_init_scan_regs (dev,
- local_reg,
- resolution,
- resolution,
- 100,
- 40000,
- 100,
- 100,
- 8,
- 1,
- SCAN_MODE_LINEART,
- dev->settings.color_filter,
- SCAN_FLAG_DISABLE_SHADING |
- SCAN_FLAG_DISABLE_GAMMA |
- SCAN_FLAG_DISABLE_BUFFER_FULL_MOVE |
- SCAN_FLAG_IGNORE_LINE_DISTANCE);
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error,
- "gl843_slow_back_home: failed to set up registers: %s\n",
- sane_strstatus (status));
- DBGCOMPLETED;
- return status;
- }
-
- /* clear scan and feed count */
- RIE (sanei_genesys_write_register (dev, REG0D, REG0D_CLRLNCNT | REG0D_CLRMCNT));
-
- /* 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 (dev->model->cmd_set->bulk_write_register (dev, local_reg, GENESYS_GL843_MAX_REGS));
-
- status = gl843_start_action (dev);
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error,
- "gl843_slow_back_home: failed to start motor: %s\n",
- sane_strstatus (status));
- gl843_stop_action (dev);
- /* restore original registers */
- dev->model->cmd_set->bulk_write_register (dev, dev->reg, GENESYS_GL843_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,
- "gl843_slow_back_home: failed to read home sensor: %s\n",
- sane_strstatus (status));
- return status;
- }
- if (DBG_LEVEL >= DBG_io2)
- {
- sanei_genesys_print_status (val);
- }
-
- if (val & REG41_HOMESNR) /* home sensor */
- {
- DBG (DBG_info, "gl843_slow_back_home: reached home position\n");
- DBG (DBG_proc, "gl843_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 */
- gl843_stop_action (dev);
- DBG (DBG_error,
- "gl843_slow_back_home: timeout while waiting for scanhead to go home\n");
- return SANE_STATUS_IO_ERROR;
- }
-
- DBG (DBG_info, "%s: scanhead is still moving\n", __func__);
- DBGCOMPLETED;
- 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
-gl843_search_start_position (Genesys_Device * dev)
-{
- int size;
- SANE_Status status;
- uint8_t *data;
- Genesys_Register_Set local_reg[GENESYS_GL843_MAX_REGS];
- int steps;
-
- int pixels = 600;
- int dpi = 300;
-
- DBG (DBG_proc, "gl843_search_start_position\n");
-
- memcpy (local_reg, dev->reg, GENESYS_GL843_MAX_REGS * sizeof (Genesys_Register_Set));
-
- /* sets for a 200 lines * 600 pixels */
- /* normal scan with no shading */
-
- status = gl843_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,
- SCAN_MODE_GRAY,
- 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,
- "gl843_search_start_position: failed to bulk setup registers: %s\n",
- sane_strstatus (status));
- return status;
- }
-
- /* send to scanner */
- status = dev->model->cmd_set->bulk_write_register (dev, local_reg, GENESYS_GL843_MAX_REGS);
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error,
- "gl843_search_start_position: failed to bulk write registers: %s\n",
- sane_strstatus (status));
- return status;
- }
-
- size = pixels * dev->model->search_lines;
-
- data = malloc (size);
- if (!data)
- {
- DBG (DBG_error,
- "gl843_search_start_position: failed to allocate memory\n");
- return SANE_STATUS_NO_MEM;
- }
-
- status = gl843_begin_scan (dev, local_reg, SANE_TRUE);
- if (status != SANE_STATUS_GOOD)
- {
- free (data);
- DBG (DBG_error,
- "gl843_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,
- "gl843_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 = gl843_end_scan (dev, local_reg, SANE_TRUE);
- if (status != SANE_STATUS_GOOD)
- {
- free (data);
- DBG (DBG_error,
- "gl843_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_GL843_MAX_REGS * sizeof (Genesys_Register_Set));
-
- 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,
- "gl843_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
-gl843_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 = gl843_init_scan_regs (dev,
- dev->calib_reg,
- dev->settings.xres,
- dev->settings.yres,
- 0,
- 0,
- /* XXX STEF XXX dpi instead of pixels !*/
- dev->sensor.optical_res / cksel,
- 20,
- 16,
- channels,
- dev->settings.scan_mode,
- 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,
- "gl843_init_register_for_coarse_calibration: failed to setup scan: %s\n",
- sane_strstatus (status));
- return status;
- }
- gl843_set_motor_power (dev->calib_reg, SANE_FALSE);
-
- DBG (DBG_info,
- "gl843_init_register_for_coarse_calibration: optical sensor res: %d dpi, actual res: %d\n",
- dev->sensor.optical_res / cksel, dev->settings.xres);
-
- status = dev->model->cmd_set->bulk_write_register (dev, dev->calib_reg, GENESYS_GL843_MAX_REGS);
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error,
- "gl843_init_register_for_coarse_calibration: failed to bulk write registers: %s\n",
- sane_strstatus (status));
- return status;
- }
-
- DBGCOMPLETED;
- return SANE_STATUS_GOOD;
-}
-
-/** @brief moves the slider to steps at motor base dpi
- * @param dev device to work on
- * @param steps number of steps to move
- * */
-#ifndef UNIT_TESTING
-static
-#endif
-SANE_Status
-gl843_feed (Genesys_Device * dev, unsigned int steps)
-{
- Genesys_Register_Set local_reg[GENESYS_GL843_MAX_REGS];
- SANE_Status status;
- Genesys_Register_Set *r;
- float resolution;
- uint8_t val;
-
- DBGSTART;
-
- /* prepare local registers */
- memcpy (local_reg, dev->reg, GENESYS_GL843_MAX_REGS * sizeof (Genesys_Register_Set));
-
- resolution=sanei_genesys_get_lowest_ydpi(dev);
- status = gl843_init_scan_regs (dev,
- local_reg,
- resolution,
- resolution,
- 0,
- steps,
- 100,
- 3,
- 8,
- 3,
- SCAN_MODE_COLOR,
- 0,
- SCAN_FLAG_DISABLE_SHADING |
- SCAN_FLAG_DISABLE_GAMMA |
- SCAN_FLAG_FEEDING |
- SCAN_FLAG_IGNORE_LINE_DISTANCE);
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error,
- "gl843_feed: failed to set up registers: %s\n",
- sane_strstatus (status));
- DBGCOMPLETED;
- return status;
- }
-
- /* clear scan and feed count */
- RIE (sanei_genesys_write_register (dev, REG0D, REG0D_CLRLNCNT));
- RIE (sanei_genesys_write_register (dev, REG0D, REG0D_CLRMCNT));
-
- /* set up for no scan */
- r = sanei_genesys_get_address (local_reg, REG01);
- r->value &= ~REG01_SCAN;
-
- /* send registers */
- RIE (dev->model->cmd_set->bulk_write_register (dev, local_reg, GENESYS_GL843_MAX_REGS));
-
- status = gl843_start_action (dev);
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error, "%s: failed to start motor: %s\n", __func__, sane_strstatus (status));
- gl843_stop_action (dev);
-
- /* restore original registers */
- dev->model->cmd_set->bulk_write_register (dev, dev->reg, GENESYS_GL843_MAX_REGS);
- return status;
- }
-
- /* wait until feed count reaches the required value, but do not
- * exceed 30s */
- do
- {
- status = sanei_genesys_get_status (dev, &val);
- }
- while (status == SANE_STATUS_GOOD && !(val & FEEDFSH));
-
- DBGCOMPLETED;
- return SANE_STATUS_GOOD;
-}
-
-
-/* init registers for shading calibration */
-/* shading calibration is done at dpihw */
-static SANE_Status
-gl843_init_regs_for_shading (Genesys_Device * dev)
-{
- SANE_Status status;
- int move, resolution, dpihw, factor;
- uint16_t strpixel;
-
- DBGSTART;
-
- /* initial calibration reg values */
- memcpy (dev->calib_reg, dev->reg, GENESYS_GL843_MAX_REGS * sizeof (Genesys_Register_Set));
-
- dev->calib_channels = 3;
- dev->calib_lines = dev->model->shading_lines;
- dpihw=sanei_genesys_compute_dpihw(dev,dev->settings.xres);
- factor=dev->sensor.optical_res/dpihw;
- resolution=dpihw;
- dev->calib_resolution = resolution;
- dev->calib_pixels = dev->sensor.sensor_pixels/factor;
-
- /* distance to move to reach white target */
- move = SANE_UNFIX (dev->model->y_offset_calib);
- move = (move * resolution) / MM_PER_INCH;
-
- status = gl843_init_scan_regs (dev,
- dev->calib_reg,
- resolution,
- resolution,
- 0,
- move,
- dev->calib_pixels,
- dev->calib_lines,
- 16,
- dev->calib_channels,
- dev->settings.scan_mode,
- dev->settings.color_filter,
- SCAN_FLAG_DISABLE_SHADING |
- SCAN_FLAG_DISABLE_GAMMA |
- SCAN_FLAG_DISABLE_BUFFER_FULL_MOVE |
- SCAN_FLAG_IGNORE_LINE_DISTANCE);
-
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error,
- "gl843_init_registers_for_shading: failed to setup scan: %s\n",
- sane_strstatus (status));
- return status;
- }
-
- dev->scanhead_position_in_steps += dev->calib_lines + move;
- sanei_genesys_get_double(dev->calib_reg,REG_STRPIXEL,&strpixel);
- DBG (DBG_info, "%s: STRPIXEL=%d\n", __func__, strpixel);
-
- status = dev->model->cmd_set->bulk_write_register (dev, dev->calib_reg, GENESYS_GL843_MAX_REGS);
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error,
- "gl843_init_registers_for_shading: failed to bulk write registers: %s\n",
- sane_strstatus (status));
- return status;
- }
-
- DBGCOMPLETED;
- return SANE_STATUS_GOOD;
-}
-
-/** @brief set up registers for the actual scan
- */
-static SANE_Status
-gl843_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,
- "gl843_init_regs_for_scan settings:\nResolution: %ux%uDPI\n"
- "Lines : %u\npixels : %u\nStartpos : %.3f/%.3f\nScan mode : %d\n\n",
- dev->settings.xres,
- dev->settings.yres,
- dev->settings.lines,
- dev->settings.pixels,
- dev->settings.tl_x,
- dev->settings.tl_y,
- dev->settings.scan_mode);
-
- /* ensure head is parked in case of calibration */
- gl843_slow_back_home (dev, SANE_TRUE);
-
- /* channels */
- if (dev->settings.scan_mode == SCAN_MODE_COLOR)
- channels = 3;
- else
- channels = 1;
-
- /* depth */
- depth = dev->settings.depth;
- if (dev->settings.scan_mode == SCAN_MODE_LINEART)
- depth = 1;
-
- move_dpi = dev->motor.base_ydpi;
-
- move = SANE_UNFIX (dev->model->y_offset);
- move += dev->settings.tl_y;
- move = (move * move_dpi) / MM_PER_INCH;
- DBG (DBG_info, "gl843_init_regs_for_scan: move=%f steps\n", move);
-
- /* start */
- start = SANE_UNFIX (dev->model->x_offset);
- start += dev->settings.tl_x;
- start = (start * dev->sensor.optical_res) / MM_PER_INCH;
-
- flags = 0;
-
- /* enable emulated lineart from gray data */
- if(dev->settings.scan_mode == SCAN_MODE_LINEART
- && dev->settings.dynamic_lineart)
- {
- flags |= SCAN_FLAG_DYNAMIC_LINEART;
- }
-
- status = gl843_init_scan_regs (dev,
- dev->reg,
- dev->settings.xres,
- dev->settings.yres,
- start,
- move,
- dev->settings.pixels,
- dev->settings.lines,
- depth,
- channels,
- dev->settings.scan_mode,
- dev->settings.color_filter,
- flags);
-
- if (status != SANE_STATUS_GOOD)
- return status;
-
- DBGCOMPLETED;
- return SANE_STATUS_GOOD;
-}
-
-/**
- * This function sends gamma tables to ASIC
- */
-static SANE_Status
-gl843_send_gamma_table (Genesys_Device * dev)
-{
- int size;
- int status;
- uint8_t *gamma;
- int i;
-
- DBGSTART;
-
- size = 256;
-
- /* allocate temporary gamma tables: 16 bits words, 3 channels */
- gamma = (uint8_t *) malloc (size * 2 * 3);
- if (!gamma)
- return SANE_STATUS_NO_MEM;
-
- /* copy sensor specific's gamma tables */
- for (i = 0; i < size; i++)
- {
- gamma[i * 2 + size * 0 + 0] = dev->sensor.gamma_table[GENESYS_RED][i] & 0xff;
- gamma[i * 2 + size * 0 + 1] = (dev->sensor.gamma_table[GENESYS_RED][i] >> 8) & 0xff;
- gamma[i * 2 + size * 2 + 0] = dev->sensor.gamma_table[GENESYS_GREEN][i] & 0xff;
- gamma[i * 2 + size * 2 + 1] = (dev->sensor.gamma_table[GENESYS_GREEN][i] >> 8) & 0xff;
- gamma[i * 2 + size * 4 + 0] = dev->sensor.gamma_table[GENESYS_BLUE][i] & 0xff;
- gamma[i * 2 + size * 4 + 1] = (dev->sensor.gamma_table[GENESYS_BLUE][i] >> 8) & 0xff;
- }
-
- /* send address */
- status = gl843_set_buffer_address (dev, 0x0000);
- if (status != SANE_STATUS_GOOD)
- {
- free (gamma);
- DBG (DBG_error,
- "gl843_send_gamma_table: failed to set buffer address: %s\n",
- sane_strstatus (status));
- return status;
- }
-
- /* send data */
- status = gl843_bulk_write_data (dev, 0x28, (uint8_t *) gamma, size * 2 * 3);
- if (status != SANE_STATUS_GOOD)
- {
- free (gamma);
- DBG (DBG_error,
- "gl843_send_gamma_table: failed to send gamma table: %s\n",
- sane_strstatus (status));
- return status;
- }
-
- DBG (DBG_proc, "gl843_send_gamma_table: completed\n");
- free (gamma);
- 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
-*/
-static SANE_Status
-gl843_led_calibration (Genesys_Device * dev)
-{
- int num_pixels;
- int total_size;
- int used_res;
- uint8_t *line;
- int i, j;
- SANE_Status status = SANE_STATUS_GOOD;
- int val;
- int channels, depth;
- int avg[3], avga, avge;
- int turn;
- char fn[20];
- uint16_t expr, expg, expb;
- Genesys_Register_Set *r;
-
- SANE_Bool acceptable = SANE_FALSE;
-
- DBG (DBG_proc, "gl843_led_calibration\n");
-
- /* offset calibration is always done in color mode */
- channels = 3;
- depth = 16;
- used_res = dev->sensor.optical_res;
- num_pixels =
- (dev->sensor.sensor_pixels * used_res) / dev->sensor.optical_res;
-
- /* initial calibration reg values */
- memcpy (dev->calib_reg, dev->reg,
- GENESYS_GL843_MAX_REGS * sizeof (Genesys_Register_Set));
-
- status = gl843_init_scan_regs (dev,
- dev->calib_reg,
- used_res,
- dev->motor.base_ydpi,
- 0,
- 0,
- num_pixels,
- 1,
- depth,
- channels,
- SCAN_MODE_COLOR,
- 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,
- "gl843_led_calibration: failed to setup scan: %s\n",
- sane_strstatus (status));
- return status;
- }
-
- RIE (dev->model->cmd_set->bulk_write_register
- (dev, dev->calib_reg, GENESYS_GL843_MAX_REGS));
-
-
- total_size = num_pixels * channels * (depth / 8) * 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
- */
-
- expr = (dev->sensor.regs_0x10_0x1d[0] << 8) | dev->sensor.regs_0x10_0x1d[1];
- expg = (dev->sensor.regs_0x10_0x1d[2] << 8) | dev->sensor.regs_0x10_0x1d[3];
- expb = (dev->sensor.regs_0x10_0x1d[4] << 8) | dev->sensor.regs_0x10_0x1d[5];
-
- turn = 0;
-
- do
- {
-
- dev->sensor.regs_0x10_0x1d[0] = (expr >> 8) & 0xff;
- dev->sensor.regs_0x10_0x1d[1] = expr & 0xff;
- dev->sensor.regs_0x10_0x1d[2] = (expg >> 8) & 0xff;
- dev->sensor.regs_0x10_0x1d[3] = expg & 0xff;
- dev->sensor.regs_0x10_0x1d[4] = (expb >> 8) & 0xff;
- dev->sensor.regs_0x10_0x1d[5] = expb & 0xff;
-
- for (i = 0; i < 6; i++)
- {
- r = sanei_genesys_get_address (dev->calib_reg, 0x10 + i);
- r->value = dev->sensor.regs_0x10_0x1d[i];
- }
-
- RIE (dev->model->cmd_set->bulk_write_register
- (dev, dev->calib_reg, GENESYS_GL843_MAX_REGS));
-
- DBG (DBG_info, "gl843_led_calibration: starting first line reading\n");
- RIE (gl843_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_%02d.pnm", turn);
- sanei_genesys_write_pnm_file (fn,
- line, depth, channels, num_pixels, 1);
- }
-
- acceptable = SANE_TRUE;
-
- 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, "gl843_led_calibration: average: "
- "%d,%d,%d\n", avg[0], avg[1], avg[2]);
-
- acceptable = SANE_TRUE;
-
- 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;
-
- if (!acceptable)
- {
- avga = (avg[0] + avg[1] + avg[2]) / 3;
- expr = (expr * avga) / avg[0];
- expg = (expg * avga) / avg[1];
- expb = (expb * 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 = (expr + expg + expb) / 3;
-
- /* don't overflow max exposure */
- if (avge > 3000)
- {
- expr = (expr * 2000) / avge;
- expg = (expg * 2000) / avge;
- expb = (expb * 2000) / avge;
- }
- if (avge < 50)
- {
- expr = (expr * 50) / avge;
- expg = (expg * 50) / avge;
- expb = (expb * 50) / avge;
- }
-
- }
-
- RIE (gl843_stop_action (dev));
-
- turn++;
-
- }
- while (!acceptable && turn < 100);
-
- DBG (DBG_info, "gl843_led_calibration: acceptable exposure: %d,%d,%d\n",
- expr, expg, expb);
-
- /* cleanup before return */
- free (line);
-
- gl843_slow_back_home (dev, SANE_TRUE);
-
- DBG (DBG_proc, "gl843_led_calibration: completed\n");
- return status;
-}
-
-
-
-/**
- * average dark pixels of a 8 bits scan of a given channel
- */
-static int
-dark_average_channel (uint8_t * data, unsigned int pixels, unsigned int lines,
- unsigned int channels, unsigned int black, int channel)
-{
- unsigned int i, j, k, count;
- unsigned int avg[3];
- uint8_t val;
-
- /* computes average values on black margin */
- for (k = 0; k < channels; k++)
- {
- avg[k] = 0;
- count = 0;
- for (i = 0; i < lines; i++)
- {
- for (j = 0; j < black; j++)
- {
- val = data[i * channels * pixels + j*channels + k];
- avg[k] += val;
- count++;
- }
- }
- if (count)
- avg[k] /= count;
- DBG (DBG_info, "%s: avg[%d] = %d\n", __func__, k, avg[k]);
- }
- DBG (DBG_info, "%s: average = %d\n", __func__, avg[channel]);
- return avg[channel];
-}
-
-/** @brief calibrate AFE offset
- * Iterate doing scans at target dpi until AFE offset if correct. One
- * color line is scanned at a time. Scanning head doesn't move.
- * @param dev device to calibrate
- */
-static SANE_Status
-gl843_offset_calibration (Genesys_Device * dev)
-{
- SANE_Status status = SANE_STATUS_GOOD;
- uint8_t *first_line, *second_line;
- unsigned int channels, bpp;
- char title[32];
- int pass, total_size, i, resolution, lines;
- int topavg[3], bottomavg[3], avg[3];
- int top[3], bottom[3], black_pixels, pixels, factor, dpihw;
-
- DBGSTART;
-
- /* offset calibration is always done in color mode */
- channels = 3;
- lines = 8;
- bpp = 8;
-
- /* compute divider factor to compute final pixels number */
- dpihw = sanei_genesys_compute_dpihw (dev, dev->settings.xres);
- factor = dev->sensor.optical_res / dpihw;
- resolution = dpihw;
- pixels = dev->sensor.sensor_pixels / factor;
- black_pixels = dev->sensor.black_pixels / factor;
- DBG (DBG_io, "gl843_offset_calibration: dpihw =%d\n", dpihw);
- DBG (DBG_io, "gl843_offset_calibration: factor =%d\n", factor);
- DBG (DBG_io, "gl843_offset_calibration: resolution =%d\n", resolution);
- DBG (DBG_io, "gl843_offset_calibration: pixels =%d\n", pixels);
- DBG (DBG_io, "gl843_offset_calibration: black_pixels=%d\n", black_pixels);
-
- status = gl843_init_scan_regs (dev,
- dev->calib_reg,
- resolution,
- resolution,
- 0,
- 0,
- pixels,
- lines,
- bpp,
- channels,
- SCAN_MODE_COLOR,
- 0,
- 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, "gl843_offset_calibration: failed to setup scan: %s\n",
- sane_strstatus (status));
- return status;
- }
- gl843_set_motor_power (dev->calib_reg, SANE_FALSE);
-
- /* allocate memory for scans */
- total_size = pixels * channels * lines * (bpp / 8); /* 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;
- }
-
- /* init gain and offset */
- for (i = 0; i < 3; i++)
- {
- bottom[i] = 10;
- dev->frontend.offset[i] = bottom[i];
- dev->frontend.gain[i] = 0;
- }
- RIEF2 (gl843_set_fe (dev, AFE_SET), first_line, second_line);
-
- /* scan with obttom AFE settings */
- RIEF2 (dev->model->cmd_set->bulk_write_register (dev, dev->calib_reg, GENESYS_GL843_MAX_REGS), first_line, second_line);
- DBG (DBG_info, "gl843_offset_calibration: starting first line reading\n");
- RIEF2 (gl843_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)
- {
- for (i = 0; i < 3; i++)
- {
- snprintf (title, 20, "offset_%d_%03d.pnm", i, bottom[i]);
- sanei_genesys_write_pnm_file (title, first_line, bpp, channels, pixels, lines);
- }
- }
-
- for (i = 0; i < 3; i++)
- {
- bottomavg[i] = dark_average_channel (first_line, pixels, lines, channels, black_pixels, i);
- DBG (DBG_io2, "gl843_offset_calibration: bottom avg %d=%d\n", i, bottomavg[i]);
- }
-
- /* now top value */
- for (i = 0; i < 3; i++)
- {
- top[i] = 255;
- dev->frontend.offset[i] = top[i];
- }
- RIEF2 (gl843_set_fe (dev, AFE_SET), first_line, second_line);
-
- /* scan with top AFE values */
- RIEF2 (dev->model->cmd_set->bulk_write_register (dev, dev->calib_reg, GENESYS_GL843_MAX_REGS), first_line, second_line);
- DBG (DBG_info, "gl843_offset_calibration: starting second line reading\n");
- RIEF2 (gl843_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);
-
- for (i = 0; i < 3; i++)
- {
- topavg[i] = dark_average_channel (second_line, pixels, lines, channels, black_pixels, i);
- DBG (DBG_io2, "gl843_offset_calibration: top avg %d=%d\n", i, topavg[i]);
- }
-
- pass = 0;
-
- /* loop until acceptable level */
- while ((pass < 32)
- && ((top[0] - bottom[0] > 1)
- || (top[1] - bottom[1] > 1) || (top[2] - bottom[2] > 1)))
- {
- pass++;
-
- /* settings for new scan */
- for (i = 0; i < 3; i++)
- {
- if (top[i] - bottom[i] > 1)
- {
- dev->frontend.offset[i] = (top[i] + bottom[i]) / 2;
- }
- }
- RIEF2 (gl843_set_fe (dev, AFE_SET), first_line, second_line);
-
- /* scan with no move */
- RIEF2 (dev->model->cmd_set->bulk_write_register (dev, dev->calib_reg, GENESYS_GL843_MAX_REGS), first_line, second_line);
- DBG (DBG_info, "gl843_offset_calibration: starting second line reading\n");
- RIEF2 (gl843_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)
- {
- for (i = 0; i < 3; i++)
- {
- sprintf (title, "offset_%d_%03d.pnm", i, dev->frontend.offset[i]);
- sanei_genesys_write_pnm_file (title, second_line, bpp, channels, pixels, lines);
- }
- }
-
- for (i = 0; i < 3; i++)
- {
- avg[i] = dark_average_channel (second_line, pixels, lines, channels, black_pixels, i);
- DBG (DBG_info, "gl843_offset_calibration: avg[%d]=%d offset=%d\n", i, avg[i], dev->frontend.offset[i]);
- }
-
- /* compute new boundaries */
- for (i = 0; i < 3; i++)
- {
- if (topavg[i] >= avg[i])
- {
- topavg[i] = avg[i];
- top[i] = dev->frontend.offset[i];
- }
- else
- {
- bottomavg[i] = avg[i];
- bottom[i] = dev->frontend.offset[i];
- }
- }
- }
- DBG (DBG_info, "gl843_offset_calibration: offset=(%d,%d,%d)\n",
- dev->frontend.offset[0],
- dev->frontend.offset[1],
- dev->frontend.offset[2]);
-
- /* cleanup before return */
- free (first_line);
- free (second_line);
-
- DBGCOMPLETED;
- return SANE_STATUS_GOOD;
-}
-
-
-/* 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.
- */
-static SANE_Status
-gl843_coarse_gain_calibration (Genesys_Device * dev, int dpi)
-{
- int pixels, factor, dpihw;
- int total_size;
- uint8_t *line;
- int i, j, channels;
- SANE_Status status = SANE_STATUS_GOOD;
- int max[3];
- float gain[3],coeff;
- int val, code, lines;
- int resolution;
- int bpp;
-
- DBG (DBG_proc, "gl843_coarse_gain_calibration: dpi = %d\n", dpi);
- dpihw=sanei_genesys_compute_dpihw(dev, dpi);
- factor=dev->sensor.optical_res/dpihw;
-
- /* coarse gain calibration is always done in color mode */
- channels = 3;
-
- /* follow CKSEL */
- if (dev->model->ccd_type == CCD_KVSS080)
- {
- if(dev->settings.xres<dev->sensor.optical_res)
- {
- coeff=0.9;
- }
- else
- {
- coeff=1.0;
- }
- }
- else
- {
- coeff=1.0;
- }
- resolution=dpihw;
- lines=10;
- bpp=8;
- pixels = dev->sensor.sensor_pixels / factor;
-
- status = gl843_init_scan_regs (dev,
- dev->calib_reg,
- resolution,
- resolution,
- 0,
- 0,
- pixels,
- lines,
- bpp,
- channels,
- SCAN_MODE_COLOR,
- dev->settings.color_filter,
- SCAN_FLAG_DISABLE_SHADING |
- SCAN_FLAG_DISABLE_GAMMA |
- SCAN_FLAG_SINGLE_LINE |
- SCAN_FLAG_IGNORE_LINE_DISTANCE);
- gl843_set_motor_power (dev->calib_reg, SANE_FALSE);
-
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error,
- "gl843_coarse_calibration: failed to setup scan: %s\n",
- sane_strstatus (status));
- return status;
- }
-
- RIE (dev->model->cmd_set->bulk_write_register
- (dev, dev->calib_reg, GENESYS_GL843_MAX_REGS));
-
- total_size = pixels * channels * (16/bpp) * lines;
-
- line = malloc (total_size);
- if (!line)
- return SANE_STATUS_NO_MEM;
-
- RIEF (gl843_set_fe(dev, AFE_SET), line);
- RIEF (gl843_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, bpp, channels, pixels, lines);
-
- /* average value on each channel */
- for (j = 0; j < channels; j++)
- {
- max[j] = 0;
- for (i = pixels/4; i < (pixels*3/4); i++)
- {
- if(bpp==16)
- {
- if (dev->model->is_cis)
- val =
- line[i * 2 + j * 2 * pixels + 1] * 256 +
- line[i * 2 + j * 2 * pixels];
- else
- val =
- line[i * 2 * channels + 2 * j + 1] * 256 +
- line[i * 2 * channels + 2 * j];
- }
- else
- {
- if (dev->model->is_cis)
- val = line[i + j * pixels];
- else
- val = line[i * channels + j];
- }
-
- max[j] += val;
- }
- max[j] = max[j] / (pixels/2);
-
- gain[j] = ((float) dev->sensor.gain_white_ref*coeff) / max[j];
-
- /* turn logical gain value into gain code, checking for overflow */
- code = 283 - 208 / gain[j];
- if (code > 255)
- code = 255;
- else if (code < 0)
- code = 0;
- dev->frontend.gain[j] = code;
-
- DBG (DBG_proc,
- "gl843_coarse_gain_calibration: channel %d, max=%d, gain = %f, setting:%d\n",
- j, max[j], gain[j], dev->frontend.gain[j]);
- }
-
- 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);
-
- RIE (gl843_stop_action (dev));
-
- status=gl843_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
-gl843_init_regs_for_warmup (Genesys_Device * dev,
- Genesys_Register_Set * reg,
- int *channels, int *total_size)
-{
- int num_pixels;
- SANE_Status status = SANE_STATUS_GOOD;
- int dpihw;
- int resolution;
- int factor;
-
- DBGSTART;
- if (dev == NULL || reg == NULL || channels == NULL || total_size == NULL)
- return SANE_STATUS_INVAL;
-
- /* setup scan */
- *channels=3;
- resolution=600;
- dpihw=sanei_genesys_compute_dpihw(dev, resolution);
- factor=dev->sensor.optical_res/dpihw;
- num_pixels=dev->sensor.sensor_pixels/(factor*2);
- *total_size = num_pixels * 3 * 1;
-
- memcpy (reg, dev->reg, (GENESYS_GL843_MAX_REGS + 1) * sizeof (Genesys_Register_Set));
- status = gl843_init_scan_regs (dev,
- reg,
- resolution,
- resolution,
- num_pixels/2,
- 0,
- num_pixels,
- 1,
- 8,
- *channels,
- SCAN_MODE_COLOR,
- 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, "%s: failed to setup scan: %s\n", __func__, sane_strstatus (status));
- return status;
- }
-
- gl843_set_motor_power (reg, SANE_FALSE);
- RIE (dev->model->cmd_set->bulk_write_register (dev, reg, GENESYS_GL843_MAX_REGS));
-
- DBGCOMPLETED;
- return SANE_STATUS_GOOD;
-}
-
-/**
- * set up GPIO/GPOE for idle state
-WRITE GPIO[17-21]= GPIO19
-WRITE GPOE[17-21]= GPOE21 GPOE20 GPOE19 GPOE18
-genesys_write_register(0xa8,0x3e)
-GPIO(0xa8)=0x3e
- */
-static SANE_Status
-gl843_init_gpio (Genesys_Device * dev)
-{
- SANE_Status status = SANE_STATUS_GOOD;
- int idx;
-
- DBGSTART;
-
- RIE (sanei_genesys_write_register (dev, REG6E, dev->gpo.enable[0]));
- RIE (sanei_genesys_write_register (dev, REG6F, dev->gpo.enable[1]));
- RIE (sanei_genesys_write_register (dev, REG6C, dev->gpo.value[0]));
- RIE (sanei_genesys_write_register (dev, REG6D, dev->gpo.value[1]));
-
- idx=0;
- while(dev->model->gpo_type != gpios[idx].gpo_type && gpios[idx].gpo_type!=0)
- {
- idx++;
- }
- if (gpios[idx].gpo_type!=0)
- {
- RIE (sanei_genesys_write_register (dev, REGA6, gpios[idx].ra6));
- RIE (sanei_genesys_write_register (dev, REGA7, gpios[idx].ra7));
- RIE (sanei_genesys_write_register (dev, REGA8, gpios[idx].ra8));
- RIE (sanei_genesys_write_register (dev, REGA9, gpios[idx].ra9));
- }
- else
- {
- status=SANE_STATUS_INVAL;
- }
-
- DBGCOMPLETED;
- return status;
-}
-
-
-/* *
- * initialize ASIC from power on condition
- */
-#ifndef UNIT_TESTING
-static
-#endif
-SANE_Status
-gl843_boot (Genesys_Device * dev, SANE_Bool cold)
-{
- SANE_Status status;
- uint8_t val;
-
- DBGSTART;
-
- if(cold)
- {
- RIE (sanei_genesys_write_register (dev, 0x0e, 0x01));
- RIE (sanei_genesys_write_register (dev, 0x0e, 0x00));
- }
-
- if(dev->usb_mode == 1)
- {
- val = 0x14;
- }
- else
- {
- val = 0x11;
- }
- RIE (sanei_genesys_write_0x8c (dev, 0x0f, val));
-
- /* test CHKVER */
- RIE (sanei_genesys_read_register (dev, REG40, &val));
- if (val & REG40_CHKVER)
- {
- RIE (sanei_genesys_read_register (dev, 0x00, &val));
- DBG (DBG_info,
- "%s: reported version for genesys chip is 0x%02x\n", __func__,
- val);
- }
-
- /* Set default values for registers */
- gl843_init_registers (dev);
-
- RIE (sanei_genesys_write_register (dev, REG6B, 0x02));
-
- /* Write initial registers */
- RIE (dev->model->cmd_set->bulk_write_register (dev, dev->reg, GENESYS_GL843_MAX_REGS));
-
- /* Enable DRAM by setting a rising edge on bit 3 of reg 0x0b */
- val = dev->reg[reg_0x0b].value & REG0B_DRAMSEL;
- val = (val | REG0B_ENBDRAM);
- RIE (sanei_genesys_write_register (dev, REG0B, val));
- dev->reg[reg_0x0b].value = val;
- /* URB 14 control 0x40 0x0c 0x8c 0x10 len 1 wrote 0xb4 */
- RIE (sanei_genesys_write_0x8c (dev, 0x10, 0xb4));
-
- /* CLKSET */
- val = (dev->reg[reg_0x0b].value & ~REG0B_CLKSET) | REG0B_48MHZ;
- RIE (sanei_genesys_write_register (dev, REG0B, val));
- dev->reg[reg_0x0b].value = val;
-
- /* prevent further writings by bulk write register */
- dev->reg[reg_0x0b].address = 0x00;
-
- /* set up end access */
- sanei_genesys_write_register (dev, REGA7, 0x04);
- sanei_genesys_write_register (dev, REGA9, 0x00);
-
- /* set RAM read address */
- RIE (sanei_genesys_write_register (dev, REG29, 0x00));
- RIE (sanei_genesys_write_register (dev, REG2A, 0x00));
- RIE (sanei_genesys_write_register (dev, REG2B, 0x00));
-
- /* setup gpio */
- RIE (gl843_init_gpio (dev));
-
- gl843_feed (dev, 300);
- usleep (100000);
-
- DBGCOMPLETED;
- return SANE_STATUS_GOOD;
-}
-
-/* *
- * initialize backend and ASIC : registers, motor tables, and gamma tables
- * then ensure scanner's head is at home
- */
-#ifndef UNIT_TESTING
-static
-#endif
-SANE_Status
-gl843_init (Genesys_Device * dev)
-{
- SANE_Status status;
-
- DBG_INIT ();
- DBGSTART;
-
- status=sanei_genesys_asic_init(dev, GENESYS_GL843_MAX_REGS);
-
- DBGCOMPLETED;
- return status;
-}
-
-static SANE_Status
-gl843_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;
-
- RIE (sanei_genesys_read_register (s->dev, REG6D, &val));
-
- switch (s->dev->model->gpo_type)
- {
- case GPO_KVSS080:
- if (s->val[OPT_SCAN_SW].b == s->last_val[OPT_SCAN_SW].b)
- s->val[OPT_SCAN_SW].b = (val & 0x04) == 0;
- break;
- case GPO_G4050:
- 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;
- break;
- case GPO_CS4400F:
- case GPO_CS8400F:
- default:
- break;
- }
-
- return status;
-}
-#ifndef UNIT_TESTING
-static
-#endif
-/** @brief move sensor to transparency adaptor
- * Move sensor to the calibration of the transparency adapator (XPA).
- * @param dev device to use
- */
-SANE_Status gl843_move_to_ta (Genesys_Device * dev)
-{
- SANE_Status status = SANE_STATUS_GOOD;
- float resolution;
- unsigned int feed;
-
- DBGSTART;
-
- resolution=sanei_genesys_get_lowest_ydpi(dev);
- feed = 16*(SANE_UNFIX (dev->model->y_offset_calib_ta) * resolution) / MM_PER_INCH;
- status = gl843_feed (dev, feed);
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error, "%s: failed to move to XPA calibration area\n", __func__);
- return status;
- }
-
- DBGCOMPLETED;
- 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
-gl843_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_GL843_MAX_REGS];
- size_t size;
- uint8_t *data;
- int steps, depth, dpi;
- unsigned int pass, count, found, x, y;
- char title[80];
- Genesys_Register_Set *r;
-
- DBG (DBG_proc, "gl843_search_strip %s %s\n", black ? "black" : "white",
- forward ? "forward" : "reverse");
-
- gl843_set_fe (dev, AFE_SET);
- status = gl843_stop_action (dev);
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error,
- "gl843_search_strip: failed to stop: %s\n",
- sane_strstatus (status));
- return status;
- }
-
- /* set up for a gray scan at lowest dpi */
- dpi = sanei_genesys_get_lowest_dpi(dev);
- channels = 1;
-
- /* 10 MM */
- /* lines = (10 * dpi) / MM_PER_INCH; */
- /* shading calibation is done with dev->motor.base_ydpi */
- lines = (dev->model->shading_lines * dpi) / dev->motor.base_ydpi;
- 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, "gl843_search_strip: failed to allocate memory\n");
- return SANE_STATUS_NO_MEM;
- }
- dev->scanhead_position_in_steps = 0;
-
- memcpy (local_reg, dev->reg,
- GENESYS_GL843_MAX_REGS * sizeof (Genesys_Register_Set));
-
- status = gl843_init_scan_regs (dev,
- local_reg,
- dpi,
- dpi,
- 0,
- 0,
- pixels,
- lines,
- depth,
- channels,
- SCAN_MODE_GRAY,
- 0,
- SCAN_FLAG_DISABLE_SHADING |
- SCAN_FLAG_DISABLE_GAMMA);
- if (status != SANE_STATUS_GOOD)
- {
- free(data);
- DBG (DBG_error,
- "gl843_search_strip: failed to setup for scan: %s\n",
- sane_strstatus (status));
- return status;
- }
-
- /* set up for reverse or forward */
- r = sanei_genesys_get_address (local_reg, REG02);
- if (forward)
- r->value &= ~REG02_MTRREV;
- else
- r->value |= REG02_MTRREV;
-
-
- status = dev->model->cmd_set->bulk_write_register (dev, local_reg, GENESYS_GL843_MAX_REGS);
- if (status != SANE_STATUS_GOOD)
- {
- free(data);
- DBG (DBG_error,
- "gl843_search_strip: failed to bulk write registers: %s\n",
- sane_strstatus (status));
- return status;
- }
-
- status = gl843_begin_scan (dev, local_reg, SANE_TRUE);
- if (status != SANE_STATUS_GOOD)
- {
- free (data);
- DBG (DBG_error,
- "gl843_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,
- "gl843_search_start_position: failed to read data: %s\n",
- sane_strstatus (status));
- return status;
- }
-
- status = gl843_stop_action (dev);
- if (status != SANE_STATUS_GOOD)
- {
- free (data);
- DBG (DBG_error, "gl843_search_strip: gl843_stop_action failed\n");
- return status;
- }
-
- pass = 0;
- if (DBG_LEVEL >= DBG_data)
- {
- sprintf (title, "search_strip_%s_%s%02d.pnm",
- black ? "black" : "white", forward ? "fwd" : "bwd", (int)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 < 20 && !found)
- {
- status =
- dev->model->cmd_set->bulk_write_register (dev, local_reg, GENESYS_GL843_MAX_REGS);
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error,
- "gl843_search_strip: failed to bulk write registers: %s\n",
- sane_strstatus (status));
- return status;
- }
-
- /* now start scan */
- status = gl843_begin_scan (dev, local_reg, SANE_TRUE);
- if (status != SANE_STATUS_GOOD)
- {
- free (data);
- DBG (DBG_error,
- "gl843_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,
- "gl843_search_start_position: failed to read data: %s\n",
- sane_strstatus (status));
- return status;
- }
-
- status = gl843_stop_action (dev);
- if (status != SANE_STATUS_GOOD)
- {
- free (data);
- DBG (DBG_error, "gl843_search_strip: gl843_stop_action failed\n");
- return status;
- }
-
- if (DBG_LEVEL >= DBG_data)
- {
- sprintf (title, "search_strip_%s_%s%02d.pnm",
- black ? "black" : "white", forward ? "fwd" : "bwd", (int)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] > 90)
- {
- count++;
- }
- /* when searching for white, detect black pixels */
- if (!black && data[y * pixels + x] < 60)
- {
- 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,
- "gl843_search_strip: strip found forward during pass %d at line %d\n",
- pass, y);
- }
- else
- {
- DBG (DBG_data,
- "gl843_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] > 90)
- {
- count++;
- }
- /* when searching for white, detect black pixels */
- if (!black && data[y * pixels + x] < 60)
- {
- 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,
- "gl843_search_strip: strip found backward during pass %d \n",
- pass);
- }
- else
- {
- DBG (DBG_data,
- "gl843_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, "gl843_search_strip: %s strip found\n",
- black ? "black" : "white");
- }
- else
- {
- status = SANE_STATUS_UNSUPPORTED;
- DBG (DBG_info, "gl843_search_strip: %s strip not found\n",
- black ? "black" : "white");
- }
-
- DBG (DBG_proc, "gl843_search_strip: completed\n");
- return status;
-}
-
-/**
- * Send shading calibration data. The buffer is considered to always hold values
- * for all the channels.
- */
-#ifndef UNIT_TESTING
-static
-#endif
-SANE_Status
-gl843_send_shading_data (Genesys_Device * dev, uint8_t * data, int size)
-{
- SANE_Status status;
- uint32_t final_size, length, i;
- uint8_t *final_data;
- uint8_t *buffer;
- int count,offset;
- unsigned int tgtime;
- unsigned int cksel;
- Genesys_Register_Set *r;
- uint16_t dpiset, strpixel, endpixel, startx, factor;
-
- DBGSTART;
-
- offset=0;
- length=size;
- r = sanei_genesys_get_address (dev->reg, REG01);
- if(r->value & REG01_SHDAREA)
- {
- /* recompute STRPIXEL used shading calibration so we can
- * compute offset within data for SHDAREA case */
- r = sanei_genesys_get_address (dev->reg, REG18);
- cksel= (r->value & REG18_CKSEL)+1;
- sanei_genesys_get_double(dev->reg,REG_DPISET,&strpixel);
- tgtime=1;
- sanei_genesys_get_double(dev->reg,REG_DPISET,&dpiset);
- factor=dev->sensor.optical_res/sanei_genesys_compute_dpihw(dev,dpiset);
- if (dev->model->ccd_type == CCD_G4050 && dpiset>2400)
- {
- tgtime=2;
- }
-
- /* start coordinate in optical dpi coordinates */
- startx = ((dev->sensor.dummy_pixel * tgtime)/cksel)/factor;
-
- /* current scan coordinates */
- sanei_genesys_get_double(dev->reg,REG_STRPIXEL,&strpixel);
- sanei_genesys_get_double(dev->reg,REG_ENDPIXEL,&endpixel);
- strpixel*=tgtime;
- endpixel*=tgtime;
-
- /* 16 bit words, 2 words per color, 3 color channels */
- offset=(strpixel-startx)*2*2*3;
- length=(endpixel-strpixel)*2*2*3;
- DBG (DBG_info, "%s: STRPIXEL=%d, ENDPIXEL=%d, startx=%d\n", __func__, strpixel, endpixel, startx);
- }
-
- /* compute and allocate size for final data */
- final_size = ((length+251) / 252) * 256;
- DBG (DBG_io, "%s: final shading size=%04x (length=%d)\n", __func__, final_size, length);
- final_data = (uint8_t *) malloc (final_size);
- if(final_data==NULL)
- {
- DBG (DBG_error, "%s: failed to allocate memory for shading data\n", __func__);
- return SANE_STATUS_NO_MEM;
- }
- memset(final_data,0x00,final_size);
-
- /* copy regular shading data to the expected layout */
- buffer = final_data;
- count = 0;
-
- /* loop over calibration data */
- for (i = 0; i < length; i++)
- {
- buffer[count] = data[offset+i];
- count++;
- if ((count % (256*2)) == (252*2))
- {
- count += 4*2;
- }
- }
-
- /* send data */
- status = sanei_genesys_set_buffer_address (dev, 0);
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error, "%s: failed to set buffer address: %s\n", __func__, sane_strstatus (status));
- free(final_data);
- return status;
- }
-
- status = dev->model->cmd_set->bulk_write_data (dev, 0x3c, final_data, count);
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error, "%s: failed to send shading table: %s\n", __func__, sane_strstatus (status));
- }
-
- free(final_data);
- DBGCOMPLETED;
- return status;
-}
-
-
-/** the gl843 command set */
-static Genesys_Command_Set gl843_cmd_set = {
- "gl843-generic", /* the name of this set */
-
- gl843_init,
- gl843_init_regs_for_warmup,
- gl843_init_regs_for_coarse_calibration,
- gl843_init_regs_for_shading,
- gl843_init_regs_for_scan,
-
- gl843_get_filter_bit,
- gl843_get_lineart_bit,
- gl843_get_bitset_bit,
- gl843_get_gain4_bit,
- gl843_get_fast_feed_bit,
- gl843_test_buffer_empty_bit,
- gl843_test_motor_flag_bit,
-
- gl843_bulk_full_size,
-
- gl843_set_fe,
- gl843_set_powersaving,
- gl843_save_power,
-
- gl843_set_motor_power,
- gl843_set_lamp_power,
-
- gl843_begin_scan,
- gl843_end_scan,
-
- gl843_send_gamma_table,
-
- gl843_search_start_position,
-
- gl843_offset_calibration,
- gl843_coarse_gain_calibration,
- gl843_led_calibration,
-
- gl843_slow_back_home,
- NULL,
-
- sanei_genesys_bulk_write_register,
- gl843_bulk_write_data,
- gl843_bulk_read_data,
-
- gl843_update_hardware_sensors,
-
- gl843_load_document,
- gl843_detect_document_end,
- gl843_eject_document,
- gl843_search_strip,
-
- sanei_genesys_is_compatible_calibration,
- gl843_move_to_ta,
- gl843_send_shading_data,
- gl843_calculate_current_setup,
- gl843_boot,
- NULL
-};
-
-SANE_Status
-sanei_gl843_init_cmd_set (Genesys_Device * dev)
-{
- dev->model->cmd_set = &gl843_cmd_set;
- return SANE_STATUS_GOOD;
-}
-
-/* vim: set sw=2 cino=>2se-1sn-1s{s^-1st0(0u0 smarttab expandtab: */